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Genealogy () is the study of
families Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...
, family history, and the tracing of their lineages. Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate
kinship In anthropology, kinship is the web of social relationships that form an important part of the lives of all humans in all societies, although its exact meanings even within this discipline are often debated. Anthropologist Robin Fox says that ...
and pedigrees of its members. The results are often displayed in charts or written as narratives. The field of family history is broader than genealogy, and covers not just lineage but also family and community history and
biography A biography, or simply bio, is a detailed description of a person's life. It involves more than just basic facts like education, work, relationships, and death; it portrays a person's experience of these life events. Unlike a profile or curri ...
. The record of genealogical work may be presented as a "genealogy", a "family history", or a "
family tree A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms. Representations of ...
". In the narrow sense, a "genealogy" or a "
family tree A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms. Representations of ...
" traces the descendants of one person, whereas a "family history" traces the ancestors of one person, but the terms are often used interchangeably. A family history may include additional biographical information, family traditions, and the like. The pursuit of family history and origins tends to be shaped by several motives, including the desire to carve out a place for one's family in the larger historical picture, a sense of responsibility to preserve the past for
future generations Future generations are Cohort (statistics), cohorts of hypothetical people not yet born. Future generations are contrasted with current and past generations and evoked in order to encourage thinking about intergenerational equity. The Moral agenc ...
, and self-satisfaction in accurate storytelling. Genealogy research is also performed for scholarly or
forensic Forensic science combines principles of law and science to investigate criminal activity. Through crime scene investigations and laboratory analysis, forensic scientists are able to link suspects to evidence. An example is determining the time and ...
purposes, or to trace legal next of kin to inherit under
intestacy Intestacy is the condition of the estate of a person who dies without a legally valid will, resulting in the distribution of their estate under statutory intestacy laws rather than by their expressed wishes. Alternatively this may also apply ...
laws.


Overview

Amateur genealogists typically pursue their own ancestry and that of their spouses. Professional genealogists may also conduct research for others, publish books on genealogical methods, teach, or produce their own databases. They may work for companies that provide software or produce materials of use to other professionals and to amateurs. Both try to understand not just where and when people lived but also their lifestyles, biographies, and motivations. This often requires—or leads to—knowledge of antiquated laws, old political boundaries, migration trends, and historical socioeconomic or religious conditions. Genealogists sometimes specialize in a particular group, e.g., a
Scottish clan A Scottish clan (from Scottish Gaelic , literally 'children', more broadly 'kindred') is a kinship group among the Scottish people. Clans give a sense of shared heritage and descent to members, and in modern times have an official structure r ...
; a particular
surname In many societies, a surname, family name, or last name is the mostly hereditary portion of one's personal name that indicates one's family. It is typically combined with a given name to form the full name of a person, although several give ...
, such as in a
one-name study A one-name study is a project researching a specific surname, as opposed to a particular pedigree (ancestors of one person) or descendancy ( descendants of one person or couple). Some people who research a specific surname may restrict their re ...
; a small community, e.g., a single village or parish, such as in a
one-place study One-place studies are a branch of family history and/or local history with a focus on the entire population of a single road, village or community, not just a single, geographically dispersed family line. Introduction In the course of a one-place ...
; or a particular, often famous, person.
Bloodlines of Salem Bloodlines of Salem was a Salt Lake City-based family-history group in the United States. Its purpose was described as providing a "place where visitors share ideas and information about the Salem witch trials of 1692, its participants and the ...
is an example of a specialized family-history group. It welcomes members who can prove descent from a participant of the
Salem Witch Trials The Salem witch trials were a series of hearings and prosecutions of people accused of witchcraft in Province of Massachusetts Bay, colonial Massachusetts between February 1692 and May 1693. More than 200 people were accused. Not everyone wh ...
or who simply choose to support the group. Genealogists and family historians often join family history societies, where novices can learn from more experienced researchers. Such societies generally serve a specific geographical area. Their members may also index records to make them more accessible or engage in advocacy and other efforts to preserve public records and cemeteries. Some schools engage students in such projects as a means to reinforce lessons regarding immigration and history. Other benefits include family medical histories for families with serious medical conditions that are hereditary. The terms "genealogy" and "family history" are often used synonymously, but some entities offer a slight difference in definition. The
Society of Genealogists The Society of Genealogists (SoG) is a UK-based educational charity, founded in 1911Fowler, S School of Advanced Study, University of London. Date unknown. Retrieved 2011-10-30. to "promote, encourage and foster the study, science and knowledge ...
, while also using the terms interchangeably, describes genealogy as the "establishment of a pedigree by extracting evidence, from valid sources, of how one generation is connected to the next" and family history as "a biographical study of a genealogically proven family and of the community and country in which they lived".


Motivation

Individuals conduct genealogical research for a number of reasons.


Personal or medical interest

Private individuals research genealogy out of curiosity about their heritage. This curiosity can be particularly strong among those whose family histories were lost or unknown due to, for example,
adoption Adoption is a process whereby a person assumes the parenting of another, usually a child, from that person's biological or legal parent or parents. Legal adoptions permanently transfer all rights and responsibilities, along with filiation, fro ...
or separation from family through divorce, death, or other situations. In addition to simply wanting to know more about who they are and where they came from, individuals may research their genealogy to learn about any
hereditary diseases A genetic disorder is a health problem caused by one or more abnormalities in the genome. It can be caused by a mutation in a single gene (monogenic) or multiple genes (polygenic) or by a chromosome abnormality. Although polygenic disorders ar ...
in their family history. There is a growing interest in family history in the media as a result of advertising and television shows sponsored by large genealogy companies, such as
Ancestry.com Ancestry.com LLC is an American genealogy company based in Lehi, Utah. The largest for-profit genealogy company in the world, it operates a network of genealogical, historical records, and related genetic genealogy websites. It is owned by The ...
. This, coupled with easier access to online records and the affordability of
DNA tests Genetic testing, also known as DNA testing, is used to identify changes in DNA sequence or chromosome structure. Genetic testing can also include measuring the results of genetic changes, such as RNA analysis as an output of gene expression, or ...
, has both inspired curiosity and allowed those who are curious to easily start investigating their ancestry.


Community or religious obligation

In
communitarian Communitarianism is a philosophy that emphasizes the connection between the individual and the community. Its overriding philosophy is based on the belief that a person's social identity and personality are largely molded by community relation ...
societies, one's identity is defined as much by one's kin network as by individual achievement, and the question "Who are you?" would be answered by a description of father, mother, and tribe. New Zealand
Māori Māori or Maori can refer to: Relating to the Māori people * Māori people of New Zealand, or members of that group * Māori language, the language of the Māori people of New Zealand * Māori culture * Cook Islanders, the Māori people of the Co ...
, for example, learn
whakapapa Genealogy is a fundamental principle in Māori culture, termed specifically in this context as ''whakapapa'' (, , lit. 'layering'). Reciting one's '' whakapapa'' proclaims one's identity among the Māori, places oneself in a wider context, and ...
(genealogies) to discover who they are. Family history plays a part in the practice of some religious belief systems. For example,
The Church of Jesus Christ of Latter-day Saints The Church of Jesus Christ of Latter-day Saints, informally known as the LDS Church or Mormon Church, is a Nontrinitarianism, nontrinitarian Restorationism, restorationist Christianity, Christian Christian denomination, denomination and the ...
(LDS Church) has a doctrine of
baptism for the dead Baptism for the dead, vicarious baptism or proxy baptism today commonly refers to the religious practice of baptizing a person on behalf of one who is dead—a living person receiving the rite on behalf of a deceased person. Baptism for the dea ...
, which necessitates that members of that faith engage in family history research. In
East Asian East Asia is a geocultural region of Asia. It includes China, Japan, Mongolia, North Korea, South Korea, and Taiwan, plus two special administrative regions of China, Hong Kong and Macau. The economies of Economy of China, China, Economy of Ja ...
countries that were historically shaped by
Confucianism Confucianism, also known as Ruism or Ru classicism, is a system of thought and behavior originating in ancient China, and is variously described as a tradition, philosophy, Religious Confucianism, religion, theory of government, or way of li ...
, many people follow a practice of
ancestor worship The veneration of the dead, including one's ancestors, is based on love and respect for the deceased. In some cultures, it is related to beliefs that the dead have a continued existence, and may possess the ability to influence the fortune of t ...
as well as genealogical record-keeping. Ancestors' names are inscribed on tablets and placed in shrines, where rituals are performed. Genealogies are also recorded in genealogy books. This practice is rooted in the belief that respect for one's family is a foundation for a healthy society.


Establishing identity

Royal families A royal family is the immediate family of monarchs and sometimes their extended family. The term imperial family appropriately describes the family of an emperor or empress, and the term papal family describes the family of a pope, while the ...
, both historically and in modern times, keep records of their genealogies in order to establish their
right to rule Rights are legal, social, or ethical principles of freedom or entitlement; that is, rights are the fundamental normative rules about what is allowed of people or owed to people according to some legal system, social convention, or ethical theor ...
and determine who will be the next sovereign. For centuries in various cultures, one's genealogy has been a source of political and social status. Some countries and indigenous tribes allow individuals to obtain citizenship based on their genealogy. In
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
and in
Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...
, for example, an individual can become a citizen if one of their grandparents was born in that country, regardless of their own or their parents' birthplace. In societies such as Australia or the United States, by the 20th century, there was growing pride in the pioneers and nation-builders. Establishing descent from these was, and is, important to
lineage societies This is a list of notable hereditary and lineage organizations, and is informed by the database of the Hereditary Society Community of the United States of America. It includes societies that limit their membership to those who meet group inclu ...
, such as the
Daughters of the American Revolution The National Society Daughters of the American Revolution (often abbreviated as DAR or NSDAR) is a lineage-based membership service organization for women who are directly descended from a patriot of the American Revolutionary War. A non-p ...
and The General Society of Mayflower Descendants. Modern family history explores new sources of status, such as celebrating the resilience of families that survived generations of poverty or slavery, or the success of families in integrating across racial or national boundaries. Some family histories even emphasize links to celebrity criminals, such as the bushranger
Ned Kelly Edward Kelly (December 185411 November 1880) was an Australian bushranger, outlaw, gang leader, bank robber and convicted police-murderer. One of the last bushrangers, he is known for wearing armour of the Kelly gang, a suit of bulletproof ...
in Australia.


Legal and forensic research

Lawyers A lawyer is a person who is qualified to offer advice about the law, draft legal documents, or represent individuals in legal matters. The exact nature of a lawyer's work varies depending on the legal jurisdiction and the legal system, as wel ...
involved in probate cases do genealogy to locate heirs of property.
Detectives A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or searching records in databases. This leads the ...
may perform genealogical research using
DNA evidence Deoxyribonucleic acid (; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of al ...
to identify victims of
homicides Homicide is an act in which a person causes the death of another person. A homicide requires only a volitional act, or an omission, that causes the death of another, and thus a homicide may result from accidental, reckless, or negligent act ...
or perpetrators of crimes.


Scholarly research

Historians A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human species; as well as the ...
and
geneticists A geneticist is a biologist or physician who studies genetics, the science of genes, heredity, and variation of organisms. A geneticist can be employed as a scientist or a lecturer. Geneticists may perform general research on genetic processes ...
may carry out genealogical research to gain a greater understanding of specific topics in their respective fields, and some may employ professional genealogists in connection with specific aspects of their research. They also publish their research in peer-reviewed journals. The introduction of postgraduate courses in genealogy in recent years has given genealogy more of an academic focus, with the emergence of peer-reviewed journals in this area. Scholarly genealogy is beginning to emerge as a discipline in its own right, with an increasing number of individuals who have obtained genealogical qualifications carrying out research on a diverse range of topics related to genealogy, both within academic institutions and independently.


Discrimination and persecution

In the US, the "
one-drop rule The one-drop rule was a legal principle of racial classification that was prominent in the 20th-century United States. It asserted that any person with even one ancestor of African ancestry ("one drop" of "black blood")Davis, F. James. Front ...
" asserted that any person with even one ancestor of black ancestry ("one drop" of "black blood") was considered black. It was codified into the law of some States (e.g. the
Racial Integrity Act of 1924 In 1924, the Virginia General Assembly enacted the Racial Integrity Act. The act reinforced racial segregation by prohibiting interracial marriage and classifying as "white" a person "who has no trace whatsoever of any blood other than Caucasi ...
) to reinforce racial segregation. Genealogy was also used in Nazi Germany to determine whether a person was considered a "Jew" or a "Mischling" (
Mischling Test Mischling Test refers to the legal test under Nazi Germany's Nuremberg Laws that was applied to determine whether a person was considered a "Jew" or a '' Mischling'' (mixed-blood). Background On 11 April 1933 the regime promulgated the ''First ...
), and whether a person was considered as "Aryan" (
Ahnenpass The ''Ahnenpaß'' (literally, "ancestor pass") documented the Aryan lineage of people "of German blood" in Nazi Germany. It was one of the forms of the Aryan certificate (''Ariernachweis'') and issued by the "Reich Association of Marriage Re ...
).


History


Pre-modern genealogy

Hereditary emperors, kings and chiefs in several areas have long claimed descent from
gods A deity or god is a supernatural being considered to be sacred and worthy of worship due to having authority over some aspect of the universe and/or life. The ''Oxford Dictionary of English'' defines ''deity'' as a God (male deity), god or god ...
(thus establishing divine legitimacy). Court genealogists have preserved or invented appropriate genealogical pretensions - for example in
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
,
Polynesia Polynesia ( , ) is a subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean. The indigenous people who inhabit the islands of Polynesia are called Polynesians. They have many things in ...
, and the
Indo-European The Indo-European languages are a language family native to the northern Indian subcontinent, most of Europe, and the Iranian plateau with additional native branches found in regions such as Sri Lanka, the Maldives, parts of Central Asia (e. ...
world from Scandinavia through ancient Greece to India. Historically, in Western societies, genealogy focused on the
kinship and descent In anthropology, kinship is the web of social relationships that form an important part of the lives of all humans in all societies, although its exact meanings even within this discipline are often debated. Anthropologist Robin Fox says tha ...
of rulers and nobles, often arguing or demonstrating the legitimacy of claims to wealth and power. Genealogy often overlapped with
heraldry Heraldry is a discipline relating to the design, display and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, Imperial, royal and noble ranks, rank and genealo ...
, which reflected the ancestry of noble houses in their
coats of arms A coat of arms is a heraldic visual design on an escutcheon (i.e., shield), surcoat, or tabard (the last two being outer garments), originating in Europe. The coat of arms on an escutcheon forms the central element of the full heraldic ac ...
. Modern scholars regard many claimed noble ancestries as fabrications, such as the
Anglo-Saxon Chronicle The ''Anglo-Saxon Chronicle'' is a collection of annals in Old English, chronicling the history of the Anglo-Saxons. The original manuscript of the ''Chronicle'' was created late in the ninth century, probably in Wessex, during the reign of ...
's tracing of the ancestry of several English kings to the god
Woden Odin (; from ) is a widely revered god in Norse mythology and Germanic paganism. Most surviving information on Odin comes from Norse mythology, but he figures prominently in the recorded history of Northern Europe. This includes the Roman Emp ...
. With the coming of Christianity to northern Europe,
Anglo-Saxon royal genealogies A number of royal genealogies of the Anglo-Saxon kingdoms, collectively referred to as the Anglo-Saxon royal genealogies, have been preserved in a manuscript tradition based in the 8th to 10th centuries. The genealogies trace the succession of th ...
extended the kings' lines of ancestry from Woden back to reach the line of
Biblical patriarchs The patriarchs ( '' ʾAvot'', "fathers") of the Bible, when narrowly defined, are Abraham, his son Isaac, and Isaac's son Jacob, also named Israel, the ancestor of the Israelites. These three figures are referred to collectively as "the patria ...
:
Noah Noah (; , also Noach) appears as the last of the Antediluvian Patriarchs (Bible), patriarchs in the traditions of Abrahamic religions. His story appears in the Hebrew Bible (Book of Genesis, chapters 5–9), the Quran and Baháʼí literature, ...
and
Adam Adam is the name given in Genesis 1–5 to the first human. Adam is the first human-being aware of God, and features as such in various belief systems (including Judaism, Christianity, Gnosticism and Islam). According to Christianity, Adam ...
. (This extension offered the side-benefit of connecting pretentious rulers with the prestigious
genealogy of Jesus The New Testament provides two accounts of the genealogy of Jesus, one in the Gospel of Matthew and another in the Gospel of Luke. Matthew starts with Abraham and works forwards, while Luke works back in time from Jesus to Adam. The lists of na ...
.) Modern historians and genealogists may regard manufactured pseudo-genealogies with a degree of scepticism. However, the desire to find ancestral links with prominent figures from a legendary or distant past has persisted. In the United States, for example, it does no harm to establish one's links to ancestors who boarded the ''
Mayflower ''Mayflower'' was an English sailing ship that transported a group of English families, known today as the Pilgrims, from England to the New World in 1620. After 10 weeks at sea, ''Mayflower'', with 102 passengers and a crew of about 30, reac ...
''. And the popularity of the genealogical hypothesis of ''
The Holy Blood and the Holy Grail ''The Holy Blood and the Holy Grail'', published as ''Holy Blood, Holy Grail'' in the United States, is a book by Michael Baigent, Richard Leigh, and Henry Lincoln. The book was first published in 1982 by Jonathan Cape in London as an unoffici ...
'' (1982) demonstrates popular interest in ancient bloodlines, however dubious. Some family trees have been maintained for considerable periods. The family tree of
Confucius Confucius (; pinyin: ; ; ), born Kong Qiu (), was a Chinese philosopher of the Spring and Autumn period who is traditionally considered the paragon of Chinese sages. Much of the shared cultural heritage of the Sinosphere originates in the phil ...
has been maintained for over 2,500 years and is listed in the
Guinness Book of World Records ''Guinness World Records'', known from its inception in 1955 until 1999 as ''The Guinness Book of Records'' and in previous United States editions as ''The Guinness Book of World Records'', is a British reference book published annually, listi ...
as the largest extant family tree. The fifth edition of the Confucius Genealogy was printed in 2009 by the Confucius Genealogy Compilation Committee (CGCC).


Modern times

In modern times, genealogy has become more widespread, with commoners as well as nobility researching and maintaining their family trees. Genealogy received a boost in the late 1970s with the television broadcast of '' Roots: The Saga of an American Family'' by
Alex Haley Alexander Murray Palmer Haley (August 11, 1921 – February 10, 1992) was an American writer and the author of the 1976 book '' Roots: The Saga of an American Family.'' ABC adapted the book as a television miniseries of the same name and ...
. His account of his family's descent from the African tribesman
Kunta Kinte Kunta Kinte ( ) is the main character from the 1976 novel '' Roots: The Saga of an American Family'' by American author Alex Haley. Kunta Kinte was based on family oral tradition accounts of one of Haley's ancestors, a Gambian man who was born ...
inspired many others to study their own lines. With the advent of the
Internet The Internet (or internet) is the Global network, global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a internetworking, network of networks ...
, the number of resources readily accessible to genealogists has vastly increased, fostering an explosion of interest in the topic. Genealogy on the internet became increasingly popular starting in the early 2000s. The Internet has become a major source not only of data for genealogists but also of education and communication.


India

In India, there are two broad types of traditional genealogists: those who work in places where the
Ganges The Ganges ( ; in India: Ganga, ; in Bangladesh: Padma, ). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international which goes through India, Bangladesh, Nepal and China." is a trans-boundary rive ...
river flows and those who work in other locations. Each caste grouping in the Indian subcontinent has different kinds of genealogists, who have a set of inter-generational patrons, called '' jajmans''. Usually, a traditional genealogist would visit their jajman’s house and record information in the presence of the patron family and other witnesses in their ''pothis'' (record-books), passed on from one to another. All the vital details about a particular family are recorded in the pothi, such as births, deaths, marriages, divisions in the family, and donations made for religious purposes. Traditional genealogists played a role in the
1857 rebellion The Indian Rebellion of 1857 was a major uprising in India in 1857–58 against the rule of the British East India Company, which functioned as a sovereign power on behalf of the British Crown. The rebellion began on 10 May 1857 in the form ...
, as they spread word door-to-door. Due to this, many genealogists were killed by the British and other migrated to different parts of India away from their hometown. However, traditional genealogy in India is a dying practice due to urbanization, migration abroad, the impact of the Internet, modern technology, and monetary and economic concerns. There are more than twenty-five places of pilgrimage across India where genealogical records on the families of visiting pilgrims are kept by pandas (Hindu priests). Some notable places where traditional genealogy records are kept include Hindu genealogy registers at Haridwar (Uttarakhand),
Varanasi Varanasi (, also Benares, Banaras ) or Kashi, is a city on the Ganges river in northern India that has a central place in the traditions of pilgrimage, death, and mourning in the Hindu world.* * * * The city has a syncretic tradition of I ...
and
Allahabad Prayagraj (, ; ISO 15919, ISO: ), formerly and colloquially known as Allahabad, is a metropolis in the Indian state of Uttar Pradesh.The other five cities were: Agra, Kanpur, Kanpur (Cawnpore), Lucknow, Meerut, and Varanasi, Varanasi (Benar ...
(
Uttar Pradesh Uttar Pradesh ( ; UP) is a States and union territories of India, state in North India, northern India. With over 241 million inhabitants, it is the List of states and union territories of India by population, most populated state in In ...
), Kurukshetra (Haryana), Trimbakeshwar (
Maharashtra Maharashtra () is a state in the western peninsular region of India occupying a substantial portion of the Deccan Plateau. It is bordered by the Arabian Sea to the west, the Indian states of Karnataka and Goa to the south, Telangana to th ...
), and Chintpurni (
Himachal Pradesh Himachal Pradesh (; Sanskrit: ''himācāl prādes;'' "Snow-laden Mountain Province") is a States and union territories of India, state in the northern part of India. Situated in the Western Himalayas, it is one of the thirteen Indian Himalayan ...
).Nijhawan, Surabh
10 Places Across The World That Help You Trace Your Ancestors
; ''India Times'', Published on 29-Jan-2016; Accessed on 8-May-2017
In February 2025, the National Archives of India announced it was planning on creating a publicly-accessible database of genealogical records sourced from pothis kept in the collection of ''pandas'' (priests) from Gaya, Kashi, Prayagraj, Kedarnath, Ujjain, Badrinath, and other places of pilgrimage where familial genealogical records are kept and maintained.


United States

Genealogical research in the United States was first systematized in the early 19th century, especially by John Farmer (1789–1838).François Weil, ''Family Trees: A History of Genealogy in America'' (Cambridge, Mass.: Harvard University Press, 2013), Chapter 1. Before Farmer's efforts, tracing one's genealogy was seen as an attempt by the American colonists to secure a measure of social standing, an aim that was counter to the new republic's egalitarian, future-oriented ideals (as outlined in the
Constitution A constitution is the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organization or other type of entity, and commonly determines how that entity is to be governed. When these pri ...
). As Fourth of July celebrations commemorating the Founding Fathers and the heroes of the Revolutionary War became increasingly popular, however, the pursuit of "antiquarianism", which focused on local history, became acceptable as a way to honor the achievements of early Americans. Farmer capitalized on the acceptability of antiquarianism to frame genealogy within the early republic's ideological framework of pride in one's American ancestors. He corresponded with other antiquarians in New England, where antiquarianism and genealogy were well established, and became a coordinator, booster, and contributor to the growing movement. In the 1820s, he and fellow antiquarians began to produce genealogical and antiquarian tracts in earnest, slowly gaining a devoted audience among the American people. Though Farmer died in 1838, his efforts led to the founding in 1845 of the
New England Historic Genealogical Society The New England Historic Genealogical Society (NEHGS) is the oldest and largest genealogical society in the United States, founded in 1845. NEHGS provides family history services through its staff, scholarship, website,Genealogical Society of Utah FamilySearch is a nonprofit organization and website offering genealogical records, education, and software. It is operated by the Church of Jesus Christ of Latter-day Saints and is part of the Church's Family History Department (FHD). The Famil ...
, founded in 1894, later became the Family History Department of
the Church of Jesus Christ of Latter-day Saints The Church of Jesus Christ of Latter-day Saints, informally known as the LDS Church or Mormon Church, is a Nontrinitarianism, nontrinitarian Restorationism, restorationist Christianity, Christian Christian denomination, denomination and the ...
. The department's research facility, the Family History Library, which Utah.com claims as "the largest genealogical library in the world", was established to assist in tracing family lineages for special religious ceremonies which Latter-day Saints believe will seal family units together for eternity. Latter-day Saints believe that this fulfilled a biblical prophecy stating that the prophet
Elijah Elijah ( ) or Elias was a prophet and miracle worker who lived in the northern kingdom of Israel during the reign of King Ahab (9th century BC), according to the Books of Kings in the Hebrew Bible. In 1 Kings 18, Elijah defended the worsh ...
would return to "turn the heart of the fathers to the children, and the heart of the children to their fathers." There is a network of church-operated Family History Centers all over the United States and around the world, where volunteers assist the public with tracing their ancestors.
Brigham Young University Brigham Young University (BYU) is a Private education, private research university in Provo, Utah, United States. It was founded in 1875 by religious leader Brigham Young and is the flagship university of the Church Educational System sponsore ...
offers bachelor's degree, minor, and concentration programs in Family History and is the only school in North America to offer this. The American Society of Genealogists is the scholarly honorary society of the U.S. genealogical field. Founded by John Insley Coddington, Arthur Adams, and Meredith B. Colket Jr., in December 1940, its membership is limited to 50 living fellows. ASG has semi-annually published '' The Genealogist'', a scholarly journal of genealogical research, since 1980. Fellows of the American Society of Genealogists, who bear the post-nominal acronym "FASG", have written some of the most notable genealogical materials of the last half-century. Some of the most notable scholarly American genealogical journals include ''
The American Genealogist ''The American Genealogist'' is a quarterly peer-reviewed academic journal An academic journal (or scholarly journal or scientific journal) is a periodical publication in which Scholarly method, scholarship relating to a particular academic disc ...
'', ''National Genealogical Society Quarterly'', '' The New England Historical and Genealogical Register'', ''
The New York Genealogical and Biographical Record ''The New York Genealogical and Biographical Record'' is a scholarly publication devoted to the interests of American genealogy and biography. It is published on a quarterly basis by The New York Genealogical and Biographical Society. History S ...
'', and '' The Genealogist''.


Research process

Genealogical research is a complex process that uses historical records and sometimes genetic analysis to demonstrate kinship. Reliable conclusions are based on the quality of sources (ideally, original records), the information within those sources, (ideally, primary or firsthand information), and the evidence that can be drawn (directly or indirectly), from that information. In many instances, genealogists must skillfully assemble indirect or
circumstantial evidence Circumstantial evidence is evidence that relies on an inference to connect it to a conclusion of fact, such as a fingerprint at the scene of a crime. By contrast, direct evidence supports the truth of an assertion directly, i.e., without need ...
to build a case for identity and kinship. All evidence and conclusions, together with the documentation that supports them, is then assembled to create a cohesive genealogy or
family history Genealogy () is the study of families, family history, and the tracing of their lineages. Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kins ...
. Genealogists begin their research by collecting family documents and stories. This creates a foundation for
documentary research Documentary research is the use of outside sources, documents, to support the viewpoint or argument of an academic work. The process of documentary research Research is creative and systematic work undertaken to increase the stock of kno ...
, which involves examining and evaluating historical records for evidence about ancestors and other relatives, their kinship ties, and the events that occurred in their lives. As a rule, genealogists begin with the present and work backwards in time. Historical, social, and family context is essential to achieving correct identification of individuals and relationships. Source citation is also important when conducting genealogical research.Elizabeth Shown Mills, ''Evidence Explained: Citing History Sources from Artifacts to Cyberspace'', (Baltimore: Genealogical Publishing Co., 2007). To keep track of collected material, family group sheets and
pedigree chart A pedigree chart is a diagram that shows the occurrence of certain traits through different generations of a family, most commonly for humans, show dogs, and race horses. Definition The word pedigree is a corruption of the Anglo-Norman French ''p ...
s are used. Formerly handwritten, these can now be generated by genealogical software.


Genetic analysis

Because a person's
DNA Deoxyribonucleic acid (; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of al ...
contains information that has been passed down relatively unchanged from early ancestors, analysis of DNA is sometimes used for genealogical research. Three DNA types are of particular interest.
Mitochondrial DNA Mitochondrial DNA (mtDNA and mDNA) is the DNA located in the mitochondrion, mitochondria organelles in a eukaryotic cell that converts chemical energy from food into adenosine triphosphate (ATP). Mitochondrial DNA is a small portion of the D ...
(mtDNA) is contained in the mitochondria of the egg cell and is passed down from a mother to all of her children, both male and female; however, only females pass it on to their children.
Y-DNA The Y chromosome is one of two sex chromosomes in therian mammals and other organisms. Along with the X chromosome, it is part of the XY sex-determination system, in which the Y is the sex-determining chromosome because the presence of the Y ...
is present only in males and is passed down from a father to his sons (direct male line) with only minor mutations occurring over time.
Autosomal DNA An autosome is any chromosome that is not a sex chromosome. The members of an autosome pair in a diploid cell have the same morphology, unlike those in allosomal (sex chromosome) pairs, which may have different structures. The DNA in autosomes i ...
(atDNA), is found in the 22 non-sex chromosomes (autosomes) and is inherited from both parents; thus, it can uncover relatives from any branch of the family. A
genealogical DNA test A genealogical DNA test is a DNA-based Genetic testing, genetic test used in genetic genealogy that looks at specific locations of a person's genome in order to find or verify ancestral genealogical relationships, or (with lower reliability) to ...
allows two individuals to find the probability that they are, or are not, related within an estimated number of generations. Individual genetic test results are collected in databases to match people descended from a relatively recent common ancestor. See, for example, the Molecular Genealogy Research Project. Some tests are limited to either the patrilineal or the matrilineal line.


Collaboration

Most
genealogy software Genealogy software is computer software used to record, organize, and publish genealogical data. Features At a minimum, genealogy software collects the date and place of an individual's birth, marriage, and death, and stores the relationships ...
programs can export information about persons and their relationships in a standardized format called a
GEDCOM FamilySearch GEDCOM, or simply GEDCOM ( , acronym of ''Genealogical Data Communication''), is an open file format and the de facto standard specification for storing genealogical data. It was developed by the Church of Jesus Christ of Latter-day ...
. In that format, it can be shared with other genealogists, added to databases, or converted into family web sites.
Social networking service A social networking service (SNS), or social networking site, is a type of online social media platform which people use to build social networks or social relationships with other people who share similar personal or career content, interest ...
(SNS) websites allow genealogists to share data and build their family trees online. Members can upload their family trees and contact other family historians to fill in gaps in their research. In addition to the (SNS) websites, there are other resources that encourage genealogists to connect and share information, such as rootsweb.ancestry.com and rsl.rootsweb.ancestry.com.


Volunteerism

Volunteer efforts figure prominently in genealogy. These range from the extremely informal to the highly organized. On the informal side are the many popular and useful message boards such as Rootschat and
mailing lists A mailing list is a collection of names and addresses used by an individual or an organization to send material to multiple recipients. Mailing lists are often rented or sold. If rented, the renter agrees to use the mailing list only at contra ...
on particular surnames, regions, and other topics. These forums can be used to try to find relatives, request record lookups, obtain research advice, and much more. Many genealogists participate in loosely organized projects, both online and off. These collaborations take numerous forms. Some projects prepare name indexes for records, such as
probate In common law jurisdictions, probate is the judicial process whereby a will is "proved" in a court of law and accepted as a valid public document that is the true last testament of the deceased; or whereby, in the absence of a legal will, the e ...
cases, and publish the indexes, either online or off. These indexes can be used as
finding aid A finding aid, in the context of archival science and archival research, is an organization tool, a document containing detailed and processed metadata and other information about a specific collection of records within an archive. Finding aids ...
s to locate original records. Other projects transcribe or abstract records. Offering record lookups for particular geographic areas is another common service. Volunteers do record lookups or take photos in their home areas for researchers who are unable to travel. Those looking for a structured volunteer environment can join one of thousands of
genealogical societies A family history society or genealogical society is a society, often charitable or not-for-profit, that allows member genealogists and family historians to profit from shared knowledge. Large societies often own libraries, sponsor research semina ...
worldwide. Most societies have a unique area of focus, such as a particular surname,
ethnicity An ethnicity or ethnic group is a group of people with shared attributes, which they Collective consciousness, collectively believe to have, and long-term endogamy. Ethnicities share attributes like language, culture, common sets of ancestry, ...
, geographic area, or descendancy from participants in a given historical event. Genealogical societies are almost exclusively staffed by volunteers and may offer a broad range of services, including maintaining libraries for members' use, publishing newsletters, providing research assistance to the public, offering classes or seminars, and organizing record preservation or transcription projects.


Software

Genealogy software is used to collect, store, sort, and display genealogical data. At a minimum, genealogy software accommodates basic information about individuals, including births, marriages, and deaths. Many programs allow for additional biographical information, including occupation, residence, and notes, and most also offer a method for keeping track of the sources for each piece of evidence. Most programs can generate basic kinship charts and reports, allow for the import of digital photographs and the export of data in the
GEDCOM FamilySearch GEDCOM, or simply GEDCOM ( , acronym of ''Genealogical Data Communication''), is an open file format and the de facto standard specification for storing genealogical data. It was developed by the Church of Jesus Christ of Latter-day ...
format (short for GEnealogical Data COMmunication) so that data can be shared with those using other genealogy software. More advanced features include the ability to restrict the information that is shared, usually by removing information about living people out of
privacy Privacy (, ) is the ability of an individual or group to seclude themselves or information about themselves, and thereby express themselves selectively. The domain of privacy partially overlaps with security, which can include the concepts of a ...
concerns; the import of sound files; the generation of family history books, web pages and other publications; the ability to handle
same-sex marriage Same-sex marriage, also known as gay marriage, is the marriage of two people of the same legal Legal sex and gender, sex. marriage between same-sex couples is legally performed and recognized in 38 countries, with a total population of 1.5 ...
s and children born out of wedlock; searching the Internet for data; and the provision of research guidance. Programs may be geared toward a specific religion, with fields relevant to that religion, or to specific nationalities or ethnic groups, with source types relevant for those groups. Online resources involve complex programming and large data bases, such as censuses.


Records and documentation

Genealogists use a wide variety of records in their research. To effectively conduct genealogical research, it is important to understand how the records were created, what information is included in them, and how and where to access them.


List of record types

Records that are used in genealogy research include: *
Vital records Vital records are records of life events kept under governmental authority, including birth certificates, marriage licenses (or marriage certificates), separation agreements, divorce certificates or divorce party and death certificates. In some j ...
** Birth records ** Death records **
Marriage Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...
and
divorce Divorce (also known as dissolution of marriage) is the process of terminating a marriage or marital union. Divorce usually entails the canceling or reorganising of the legal duties and responsibilities of marriage, thus dissolving the M ...
records *
Adoption Adoption is a process whereby a person assumes the parenting of another, usually a child, from that person's biological or legal parent or parents. Legal adoptions permanently transfer all rights and responsibilities, along with filiation, fro ...
records *
Biographies A biography, or simply bio, is a detailed description of a person's life. It involves more than just basic facts like education, work, relationships, and death; it portrays a person's experience of these life events. Unlike a profile or curri ...
and biographical profiles (e.g. ''
Who's Who A Who's Who (or Who Is Who) is a reference work consisting of biographical entries of notable people in a particular field. The oldest and best-known is the annual publication ''Who's Who (UK), Who's Who'', a reference work on contemporary promin ...
'') * Cemetery lists *
Census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
records * Church and Religious records **
Baptism Baptism (from ) is a Christians, Christian sacrament of initiation almost invariably with the use of water. It may be performed by aspersion, sprinkling or affusion, pouring water on the head, or by immersion baptism, immersing in water eit ...
or christening **
Brit milah The ''brit milah'' (, , ; "Covenant (religion), covenant of circumcision") or ''bris'' (, ) is Religion and circumcision, the ceremony of circumcision in Judaism and Samaritanism, during which the foreskin is surgically removed. According to t ...
or Baby naming certificates **
Confirmation In Christian denominations that practice infant baptism, confirmation is seen as the sealing of the covenant (religion), covenant created in baptism. Those being confirmed are known as confirmands. The ceremony typically involves laying on o ...
**
Bar Bar or BAR may refer to: Food and drink * Bar (establishment), selling alcoholic beverages * Candy bar ** Chocolate bar * Protein bar Science and technology * Bar (river morphology), a deposit of sediment * Bar (tropical cyclone), a laye ...
or
bat mitzvah A ''bar mitzvah'' () or ''bat mitzvah'' () is a coming of age ritual in Judaism. According to Jewish law, before children reach a certain age, the parents are responsible for their child's actions. Once Jewish children reach that age, they a ...
**
Marriage Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...
**
Funeral A funeral is a ceremony connected with the final disposition of a corpse, such as a burial or cremation, with the attendant observances. Funerary customs comprise the complex of beliefs and practices used by a culture to remember and respect th ...
or death ** Membership * City directories and
telephone directories A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that ...
*
Coroner A coroner is a government or judicial official who is empowered to conduct or order an inquest into the manner or cause of death. The official may also investigate or confirm the identity of an unknown person who has been found dead within th ...
's reports * Court records **
Criminal record A criminal record (not to be confused with a police record or arrest record) is a record of a person's criminal Conviction, convictions history. The information included in a criminal record, and the existence of a criminal record, varies betwe ...
s ** Civil records *
Diaries Diaries may refer to: * the plural of diary A diary is a written or audiovisual memorable record, with discrete entries arranged by date reporting on what has happened over the course of a day or other period. Diaries have traditionally bee ...
, personal
letters Letter, letters, or literature may refer to: Characters typeface * Letter (alphabet), a character representing one or more of the sounds used in speech or none in the case of a silent letter; any of the symbols of an alphabet * Letterform, the g ...
and family
Bible The Bible is a collection of religious texts that are central to Christianity and Judaism, and esteemed in other Abrahamic religions such as Islam. The Bible is an anthology (a compilation of texts of a variety of forms) originally writt ...
s *
DNA tests Genetic testing, also known as DNA testing, is used to identify changes in DNA sequence or chromosome structure. Genetic testing can also include measuring the results of genetic changes, such as RNA analysis as an output of gene expression, or ...
*
Emigration Emigration is the act of leaving a resident country or place of residence with the intent to settle elsewhere (to permanently leave a country). Conversely, immigration describes the movement of people into one country from another (to permanentl ...
,
immigration Immigration is the international movement of people to a destination country of which they are not usual residents or where they do not possess nationality in order to settle as Permanent residency, permanent residents. Commuting, Commuter ...
and
naturalization Naturalization (or naturalisation) is the legal act or process by which a non-national of a country acquires the nationality of that country after birth. The definition of naturalization by the International Organization for Migration of the ...
records * Hereditary & lineage organization records, e.g.
Daughters of the American Revolution The National Society Daughters of the American Revolution (often abbreviated as DAR or NSDAR) is a lineage-based membership service organization for women who are directly descended from a patriot of the American Revolutionary War. A non-p ...
records *
Land Land, also known as dry land, ground, or earth, is the solid terrestrial surface of Earth not submerged by the ocean or another body of water. It makes up 29.2% of Earth's surface and includes all continents and islands. Earth's land sur ...
and property records,
deed A deed is a legal document that is signed and delivered, especially concerning the ownership of property or legal rights. Specifically, in common law, a deed is any legal instrument in writing which passes, affirms or confirms an interest, right ...
s *
Medical Medicine is the science and Praxis (process), practice of caring for patients, managing the Medical diagnosis, diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, ...
records *
Military A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a d ...
and
conscription Conscription, also known as the draft in the United States and Israel, is the practice in which the compulsory enlistment in a national service, mainly a military service, is enforced by law. Conscription dates back to antiquity and it conti ...
records *
Newspaper A newspaper is a Periodical literature, periodical publication containing written News, information about current events and is often typed in black ink with a white or gray background. Newspapers can cover a wide variety of fields such as poli ...
articles *
Obituaries An obituary (obit for short) is an article about a recently deceased person. Newspapers often publish obituaries as news articles. Although obituaries tend to focus on positive aspects of the subject's life, this is not always the case. Acco ...
* Occupational records *
Oral histories Oral history is the collection and study of historical information from people, families, important events, or everyday life using audiotapes, videotapes, or transcriptions of planned interviews. These interviews are conducted with people who pa ...
*
Passport A passport is an official travel document issued by a government that certifies a person's identity and nationality for international travel. A passport allows its bearer to enter and temporarily reside in a foreign country, access local aid ...
s *
Photograph A photograph (also known as a photo, or more generically referred to as an ''image'' or ''picture'') is an image created by light falling on a photosensitivity, photosensitive surface, usually photographic film or an electronic image sensor. Th ...
s *
Poorhouse A poorhouse or workhouse is a government-run (usually by a county or municipality) facility to support and provide housing for the dependent or needy. Workhouses In England, Wales and Ireland (but not in Scotland), "workhouse" has been the more ...
,
workhouse In Britain and Ireland, a workhouse (, lit. "poor-house") was a total institution where those unable to support themselves financially were offered accommodation and employment. In Scotland, they were usually known as Scottish poorhouse, poorh ...
,
almshouse An almshouse (also known as a bede-house, poorhouse, or hospital) is charitable housing provided to people in a particular community, especially during the Middle Ages. They were often built for the poor of a locality, for those who had held ce ...
, and asylum records *
School A school is the educational institution (and, in the case of in-person learning, the Educational architecture, building) designed to provide learning environments for the teaching of students, usually under the direction of teachers. Most co ...
and
alumni association An alumni association or alumnae association is an association of graduates or, more broadly, of former students ( alumni). In the United Kingdom and the United States, alumni of universities, colleges, school A school is the educati ...
records *
Ship A ship is a large watercraft, vessel that travels the world's oceans and other Waterway, navigable waterways, carrying cargo or passengers, or in support of specialized missions, such as defense, research and fishing. Ships are generally disti ...
passenger lists *
Social Security Welfare spending is a type of government support intended to ensure that members of a society can meet basic human needs such as food and shelter. Social security may either be synonymous with welfare, or refer specifically to social insurance ...
(within the US) and
pension A pension (; ) is a fund into which amounts are paid regularly during an individual's working career, and from which periodic payments are made to support the person's retirement from work. A pension may be either a " defined benefit plan", wh ...
records *
Tax A tax is a mandatory financial charge or levy imposed on an individual or legal entity by a governmental organization to support government spending and public expenditures collectively or to regulate and reduce negative externalities. Tax co ...
records *
Tombstone A gravestone or tombstone is a marker, usually stone, that is placed over a grave. A marker set at the head of the grave may be called a headstone. An especially old or elaborate stone slab may be called a funeral stele, stela, or slab. The us ...
s,
cemetery A cemetery, burial ground, gravesite, graveyard, or a green space called a memorial park or memorial garden, is a place where the remains of many death, dead people are burial, buried or otherwise entombed. The word ''cemetery'' (from Greek ...
records, and
funeral home A funeral home, funeral parlor or mortuary is a business that provides burial, entombment and cremation services for the dead and their families. These services may include a prepared visitation and funeral, and the provision of a chapel for t ...
records *
Vote Voting is the process of choosing officials or policies by casting a ballot, a document used by people to formally express their preferences. Republics and representative democracies are governments where the population chooses representative ...
r registration records * Wills and
probate In common law jurisdictions, probate is the judicial process whereby a will is "proved" in a court of law and accepted as a valid public document that is the true last testament of the deceased; or whereby, in the absence of a legal will, the e ...
records To keep track of their citizens, governments began keeping records of persons who were neither
royalty Royalty may refer to: * the mystique/prestige bestowed upon monarchs ** one or more monarchs, such as kings, queens, emperors, empresses, princes, princesses, etc. *** royal family, the immediate family of a king or queen-regnant, and sometimes h ...
nor
nobility Nobility is a social class found in many societies that have an aristocracy. It is normally appointed by and ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. T ...
. In England and Germany, for example, such record keeping started with parish registers in the 16th century. As more of the population was recorded, there were sufficient records to follow a family. Major life events, such as births, marriages, and deaths, were often documented with a license, permit, or report. Genealogists locate these records in local, regional or national offices or
archive An archive is an accumulation of historical records or materials, in any medium, or the physical facility in which they are located. Archives contain primary source documents that have accumulated over the course of an individual or organ ...
s and extract information about family relationships and recreate
timelines A timeline is a list of events displayed in chronological order. It is typically a graphic design showing a long bar labelled with dates paralleling it, and usually contemporaneous events. Timelines can use any suitable scale representing t ...
of persons' lives. In China, India and other Asian countries,
genealogy book A genealogy book or register is used in Asia and Europe to record the family history of ancestors. Greater China It is the Chinese tradition to record family members in a book, including every male born in the family, who they are married to, e ...
s are used to record the names, occupations, and other information about family members, with some books dating back hundreds or even thousands of years. In the eastern Indian state of
Bihar Bihar ( ) is a states and union territories of India, state in Eastern India. It is the list of states and union territories of India by population, second largest state by population, the List of states and union territories of India by are ...
, there is a written tradition of genealogical records among Maithil Brahmins and Karna Kayasthas called "
Panjis Panjis or Panji Prabandh are extensive genealogical records maintained among the Maithili Kayasthas and Maithili Brahmins of the Mithila region similar to the Hindu genealogy registers at Haridwar. History It is said that the Panji system wa ...
", dating to the 12th century CE. Even today these records are consulted prior to marriages. In Ireland, genealogical records were recorded by professional families of ''senchaidh'' (historians) until as late as the mid-17th century. Perhaps the most outstanding example of this genre is
Leabhar na nGenealach ''Leabhar na nGenealach'' ("Book of Genealogies") is a massive genealogical collection written mainly in the years 1649 to 1650, at the college-house of St. Nicholas' Collegiate Church, Galway, by Dubhaltach MacFhirbhisigh. He continued to add m ...
/
The Great Book of Irish Genealogies ''Leabhar na nGenealach'' ("Book of Genealogies") is a massive genealogical collection written mainly in the years 1649 to 1650, at the college-house of St. Nicholas' Collegiate Church, Galway, by Dubhaltach MacFhirbhisigh. He continued to add ...
, by
Dubhaltach MacFhirbhisigh Dubhaltach Mac Fhirbhisigh (), also known as Dubhaltach Óg mac Giolla Íosa Mór mac Dubhaltach Mór Mac Fhirbhisigh, Duald Mac Firbis, Dudly Ferbisie, and Dualdus Firbissius (fl. 1643 – January 1671) was an Irish scribe, translator, histor ...
(d. 1671), published in 2004.


FamilySearch collections

The LDS Church has engaged in large-scale microfilming of records of genealogical value. Its Family History Library in Salt Lake City, Utah, houses over 2 million microfiche and microfilms of genealogically relevant material, which are also available for on-site research at over 4,500 Family History Centers worldwide.
FamilySearch FamilySearch is a nonprofit organization and website offering genealogical records, education, and software. It is operated by the Church of Jesus Christ of Latter-day Saints and is part of the Church's Family History Department (FHD). The Fami ...
's website includes many resources for genealogists: a FamilyTree database, historical records, digitized family history books, resources and indexing for African American genealogy such as slave and bank records, and a
Family History Research Wiki The FamilySearch Research Wiki (formerly also known as the FamilySearch Wiki or the Family History Research Wiki) is a website containing reference information and educational articles to help locate and interpret Genealogy, genealogical records. ...
containing research guidance articles.


Indexing ancestral information

Indexing is the process of transcribing parish records, city vital records, and other reports, to a digital database for searching. Volunteers and professionals participate in the indexing process. Since 2006, the microfilm in the FamilySearch granite mountain vault is in the process of being digitally scanned, available online, and eventually indexed. For example, after the 72-year legal limit for releasing personal information for the
United States Census The United States census (plural censuses or census) is a census that is legally mandated by the Constitution of the United States. It takes place every ten years. The first census after the American Revolution was taken in 1790 United States ce ...
was reached in 2012, genealogical groups cooperated to index the 132 million residents registered in the
1940 United States census The 1940 United States census, conducted by the United States Census Bureau, Census Bureau, determined the resident population of the United States to be 132,164,569, an increase of 7.6 percent over the 1930 United States Census, 1930 population ...
. Between 2006 and 2012, the FamilySearch indexing effort produced more than 1 billion searchable records. In 2022, FamilySearch and Ancestry partnered to use
Artificial Intelligence Artificial intelligence (AI) is the capability of computer, computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of re ...
(AI) technology to help the process of indexing more records. The process first began with the public release of the 1950 United States census, 1950 United States Census. The index of the census would at first be created by an AI trained on handwriting in old documents and then reviewed by thousands of volunteers using FamilySearch.


Record loss and preservation

Sometimes genealogical records are destroyed, whether accidentally or on purpose. In order to do thorough research, genealogists keep track of which records have been destroyed so they know when information they need may be missing. Of particular note for North American genealogy is the 1890 United States census, which was destroyed in a fire in 1921. Although fragments survive, most of the 1890 census no longer exists. Those looking for genealogical information for families that lived in the United States in 1890 must rely on other information to fill that gap. War is another cause of record destruction. During World War II, many European records were destroyed. Communists in China during the Cultural Revolution and in Korea during the Korean War destroyed genealogy books kept by families. Often records are destroyed due to accident or neglect. Since genealogical records are often kept on paper and stacked in high-density storage, they are prone to fire, mold, insect damage, and eventual disintegration. Sometimes records of genealogical value are deliberately destroyed by governments or organizations because the records are considered to be unimportant or a privacy risk. Because of this, genealogists often organize efforts to preserve records that are at risk of destruction. FamilySearch has an ongoing program that assesses what useful genealogical records have the most risk of being destroyed, and sends volunteers to digitize such records. In 2017, the government of Sierra Leone asked FamilySearch for help preserving their rapidly deteriorating vital records. FamilySearch has begun digitizing the records and making them available online. The Federation of Genealogical Societies also organized an effort to preserve and digitize United States War of 1812 pension records. In 2010, they began raising funds, which were contribute by genealogists around the United States and matched by
Ancestry.com Ancestry.com LLC is an American genealogy company based in Lehi, Utah. The largest for-profit genealogy company in the world, it operates a network of genealogical, historical records, and related genetic genealogy websites. It is owned by The ...
. Their goal was achieved and the process of digitization was able to begin. The digitized records are available for free online.


Types of information

Genealogists who seek to reconstruct the lives of each ancestor consider all historical information to be "genealogical" information. Traditionally, the basic information needed to ensure correct identification of each person are place names, occupations, family names, first names, and dates. However, modern genealogists greatly expand this list, recognizing the need to place this information in its historical context in order to properly evaluate genealogical evidence and distinguish between same-name individuals. A great deal of information is available for British ancestry with growing resources for other ethnic groups.


Family names

Family names are simultaneously one of the most important pieces of genealogical information, and a source of significant confusion for researchers. In many cultures, the name of a person refers to the family to which they belong. This is called the ''family name'', ''surname'', or ''last name''. Patronymics are names that identify an individual based on the father's name. For example, Marga Olafsdottir is Marga, daughter of Olaf, and Olaf Thorsson is Olaf, son of Thor. Many cultures used patronymics before surnames were adopted or came into use. The Dutch in New York, for example, used the patronymic system of names until 1687 when the advent of English rule mandated surname usage. In Iceland, patronymics are used by a majority of the population. In Denmark and Norway patronymics and farm names were generally in use through the 19th century and beyond, though surnames began to come into fashion toward the end of the 19th century in some parts of the country. Not until 1856 in Denmark and 1923 in Norway were there laws requiring surnames. The transmission of names across generations, marriages and other relationships, and immigration may cause difficulty in genealogical research. For instance, women in many cultures have routinely used their spouse's surnames. When a woman remarried, she may have changed her name and the names of her children; only her name; or changed no names. Her birth name (maiden name) may be reflected in her children's middle names; her own middle name; or dropped entirely. Children may sometimes assume stepparent, foster parent, or adoptive parent names. Because official records may reflect many kinds of surname change, without explaining the underlying reason for the change, the correct identification of a person recorded identified with more than one name is challenging. Immigrants to America often Americanized their names. Surname data may be found in trade directories, census returns, birth, death, and marriage records.


Given names

Genealogical data regarding given names (first names) is subject to many of the same problems as are family names and place names. Additionally, the use of nicknames is very common. For example, Beth, Lizzie or Betty are all common for Elizabeth, and Jack, John and Jonathan may be interchanged. Middle names provide additional information. Middle names may be inherited, follow naming customs, or be treated as part of the family name. For instance, in some Latin cultures, both the mother's family name and the father's family name are used by the children. Historically, naming traditions existed in some places and cultures. Even in areas that tended to use naming conventions, however, they were by no means universal. Families may have used them some of the time, among some of their children, or not at all. A pattern might also be broken to name a newborn after a recently deceased sibling, aunt or uncle. An example of a naming tradition from England, Scotland and Ireland:
Another example is in some areas of Germany, where siblings were given the same first name, often of a favourite saint or local nobility, but different second names by which they were known (''Rufname''). If a child died, the next child of the same gender that was born may have been given the same name. It is not uncommon that a list of a particular couple's children will show one or two names repeated. Personal names have periods of popularity, so it is not uncommon to find many similarly named people in a generation, and even similarly named families; e.g., "William and Mary and their children David, Mary, and John". Many names may be identified strongly with a particular gender; e.g., William for boys, and Mary for girls. Others may be unisex names, ambiguous, e.g., Lee, or have only slightly variant spellings based on gender, e.g., Frances (usually female) and Francis (usually male).


Place names

While the locations of ancestors' residences and life events are core elements of the genealogist's quest, they can often be confusing. Place names may be subject to variant spellings by partially literate scribes. Locations may have identical or very similar names. For example, the village name Brockton (disambiguation), Brockton occurs six times in the border area between the English counties of Shropshire and Staffordshire. Shifts in political borders must also be understood. Parish, county, and national borders have frequently been modified. Old records may contain references to farms and villages that have ceased to exist. When working with older records from Poland, where borders and place names have changed frequently in past centuries, a source with maps and sample records such as ''A Translation Guide to 19th-Century Polish-Language Civil-Registration Documents'' can be invaluable. Available sources may include vital records (civil or church registration), censuses, and tax assessments. Oral tradition is also an important source, although it must be used with caution. When no source information is available for a location, circumstantial evidence may provide a probable answer based on a person's or a family's place of residence at the time of the event. Maps and gazetteers are important sources for understanding the places researched. They show the relationship of an area to neighboring communities and may be of help in understanding migration patterns. Family tree mapping using online mapping tools such as Google Earth (particularly when used with Historical Map overlays such as those from the David Rumsey Historical Map Collection) assist in the process of understanding the significance of geographical locations.


Dates

It is wise to exercise extreme caution with dates. Dates are more difficult to recall years after an event, and are more easily mistranscribed than other types of genealogical data.Peter R. Knights, "The Accuracy of Age Reporting in the Manuscript Federal Census of 1850 and 1860", ''Historical Methods Newsletter,'' 4 (1971), 79–83; Karen Oppenheim Mason and Lisa G. Cope, "Sources of Age and Date-of-Birth Misreporting in the 1900 U.S. Census", ''Demography'' vol. 24, no. 4 (Nov., 1987), pp. 563–573. Therefore, one should determine whether the date was recorded at the time of the event or at a later date. Dates of birth in vital records or civil registrations and in church records at baptism are generally accurate because they were usually recorded near the time of the event. Family Bibles are often a source for dates, but can be written from memory long after the event. When the same ink and handwriting is used for all entries, the dates were probably written at the same time and therefore will be less reliable since the earlier dates were probably recorded well after the event. The publication date of the Bible also provides a clue about when the dates were recorded since they could not have been recorded at any earlier date. People sometimes reduce their age on marriage, and those under "full age" may increase their age in order to marry or to join the armed forces.
Census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
returns are notoriously unreliable for ages or for assuming an approximate death date. Ages over 15 in the UK Census, 1841 census in the UK are rounded down to the next lower multiple of five years. Although baptismal dates are often used to approximate birth dates, some families waited years before baptizing children, and adult baptisms are the norm in some religions. Both birth and marriage dates may have been adjusted to cover for pre-wedding pregnancies. Calendar changes must also be considered. In 1752, England and her American colonies changed from the Julian calendar, Julian to the Gregorian calendar. In the same year, the date the new year began was changed. Prior to 1752 it was Lady Day, 25 March; this was changed to 1 January. Many other European countries had already made the calendar changes before England had, sometimes centuries earlier. By 1751 there was an 11-day discrepancy between the date in England and the date in other European countries. For further detail on the changes involved in moving from the Julian to the Gregorian calendar, see: Gregorian calendar. The French Republican Calendar or French Revolutionary Calendar was a calendar proposed during the French Revolution, and used by the French government for about 12 years from late 1793 to 1805, and for 18 days in 1871 in Paris. Dates in official records at this time use the revolutionary calendar and need "translating" into the Gregorian calendar for calculating ages etc. There are various websites which do this.


Occupations

Occupational information may be important to understanding an ancestor's life and for distinguishing two people with the same name. A person's occupation may have been related to his or her social status, political interest, and migration pattern. Since skilled trades are often passed from father to son, occupation may also be indirect evidence of a family relationship. It is important to remember that a person may change occupations, and that titles change over time as well. Some workers no longer fit for their primary trade often took less prestigious jobs later in life, while others moved upwards in prestige. Many unskilled ancestors had a variety of jobs depending on the season and local trade requirements. Census returns may contain some embellishment; e.g., from labourer to masonry, mason, or from journeyman to master craftsman. Names for old or unfamiliar local occupations may cause confusion if poorly legible. For example, an ostler (a keeper of horses) and a hostler (an innkeeper) could easily be confused for one another. Likewise, descriptions of such occupations may also be problematic. The perplexing description "ironer of rabbit burrows" may turn out to describe an ironer (profession) in the Bristol district named Rabbit Burrows. Several trades have regionally preferred terms. For example, "shoemaker" and "cordwainer" have the same meaning. Finally, many apparently obscure jobs are part of a larger trade community, such as watchmaking, Stocking frame, framework knitting or gunmaking. Occupational data may be reported in occupational licences, tax assessments, membership records of professional organizations, trade directories, census returns, and vital records (civil registration). Occupational dictionaries are available to explain many obscure and archaic trades.


Reliability of sources

Information found in historical or genealogical sources can be unreliable and it is good practice to evaluate all sources with a critical eye. Factors influencing the reliability of genealogical information include: the knowledge of the informant (or writer); the bias and mental state of the informant (or writer); the passage of time and the potential for copying and compiling errors. The quality of census data has been of special interest to historians, who have investigated reliability issues.


Knowledge of the informant

The informant is the individual who provided the recorded information. Genealogists must carefully consider who provided the information and what they knew. In many cases the informant is identified in the record itself. For example, a death certificate usually has two informants: a physician who provides information about the time and cause of death and a family member who provides the birth date, names of parents, etc. When the informant is not identified, one can sometimes deduce information about the identity of the person by careful examination of the source. One should first consider who was alive (and nearby) when the record was created. When the informant is also the person recording the information, the handwriting can be compared to other handwriting samples. When a source does not provide clues about the informant, genealogists should treat the source with caution. These sources can be useful if they can be compared with independent sources. For example, a census record by itself cannot be given much weight because the informant is unknown. However, when censuses for several years concur on a piece of information that would not likely be guessed by a neighbor, it is likely that the information in these censuses was provided by a family member or other informed person. On the other hand, information in a single census cannot be confirmed by information in an undocumented compiled genealogy since the genealogy may have used the census record as its source and might therefore be dependent on the same misinformed individual.


Motivation of the informant

Even individuals who had knowledge of the fact, sometimes intentionally or unintentionally provided false or misleading information. A person may have lied in order to obtain a government benefit (such as a military pension), avoid taxation, or cover up an embarrassing situation (such as the existence of a non-marital child). A person with a distressed state of mind may not be able to accurately recall information. Many genealogical records were recorded at the time of a loved one's death, and so genealogists should consider the effect that grief may have had on the informant of these records.


The effect of time

The passage of time often affects a person's ability to recall information. Therefore, as a general rule, data recorded soon after the event are usually more reliable than data recorded many years later. However, some types of data are more difficult to recall after many years than others. One type especially prone to recollection errors is dates. Also the ability to recall is affected by the significance that the event had to the individual. These values may have been affected by cultural or individual preferences.


Copying and compiling errors

Genealogists must consider the effects that copying and compiling errors may have had on the information in a source. For this reason, sources are generally categorized in two categories: original and derivative. An original source is one that is not based on another source. A derivative source is information taken from another source. This distinction is important because each time a source is copied, information about the record may be lost and errors may result from the copyist misreading, mistyping, or miswriting the information. Genealogists should consider the number of times information has been copied and the types of derivation a piece of information has undergone. The types of derivatives include: photocopies, transcriptions, abstracts, translations, extractions, and compilations. In addition to copying errors, compiled sources (such as published genealogies and online pedigree databases) are susceptible to misidentification errors and incorrect conclusions based on circumstantial evidence. Identity errors usually occur when two or more individuals are assumed to be the same person. Circumstantial or indirect evidence does not explicitly answer a genealogical question, but either may be used with other sources to answer the question, suggest a probable answer, or eliminate certain possibilities. Compilers sometimes draw hasty conclusions from circumstantial evidence without sufficiently examining all available sources, without properly understanding the evidence, and without appropriately indicating the level of uncertainty.


Primary and secondary sources

In genealogical research, information can be obtained from primary or secondary sources. Primary sources are records that were made at the time of the event, for example a death certificate would be a primary source for a person's death date and place. Secondary sources are records that are made days, weeks, months, or even years after an event.


Standards and ethics

Organizations that educate and certify genealogists have established standards and ethical guidelines they instruct genealogists to follow.


Research standards

Genealogy research requires analyzing documents and drawing conclusions based on the evidence provided in the available documents. Genealogists need standards to determine whether or not their evaluation of the evidence is accurate. In the past, genealogists in the United States borrowed terms from Burden of proof (law), judicial law to examine evidence found in documents and how they relate to the researcher's conclusions. However, the differences between the two disciplines created a need for genealogists to develop their own standards. In 2000, the Board for Certification of Genealogists published their first manual of standards. The Genealogical Proof Standard created by the Board for Certification of Genealogists is widely distributed in seminars, workshops, and educational materials for genealogists in the United States. Other genealogical organizations around the world have created similar standards they invite genealogists to follow. Such standards provide guidelines for genealogists to evaluate their own research as well as the research of others. Standards for genealogical research include: * Clearly document and organize findings. * Cite all sources in a specific manner so that others can locate them and properly evaluate them. * Locate all available sources that may contain information relevant to the research question. * Analyze findings thoroughly, without ignoring conflicts in records or negative evidence. * Rely on original, rather than derivative sources, wherever possible. * Use logical reasoning based on reliable sources to reach conclusions. * Acknowledge when a specific conclusion is only "possible" or "probable" rather than "proven". * Acknowledge that other records that have not yet been discovered may overturn a conclusion.


Ethical guidelines

Genealogists often handle sensitive information and share and publish such information. Because of this, there is a need for ethical standards and boundaries for when information is too sensitive to be published. Historically, some genealogists have fabricated information or have otherwise been untrustworthy. Genealogical organizations around the world have outlined ethical standards as an attempt to eliminate such problems. Ethical standards adopted by various genealogical organizations include: * Respect copyright laws * Acknowledge where one consulted another's work and do not plagiarize the work of other researchers. * Treat original records with respect and avoid causing damage to them or removing them from repositories. * Treat archives and archive staff with respect. * Protect the privacy of living individuals by not publishing or otherwise disclosing information about them without their permission. * Disclose any conflicts of interest to clients. * When doing paid research, be clear with the client about scope of research and fees involved. * Do not fabricate information or publish false or unproven information as proven. * Be sensitive about information found through genealogical research that may make the client or family members uncomfortable. In 2015, a committee presented standards for genetic genealogy at the Salt Lake Institute of Genealogy. The standards emphasize that genealogists and testing companies should respect the privacy of clients and recognize the limits of DNA tests. It also discusses how genealogists should thoroughly document conclusions made using DNA evidence.[/] In 2019, the Board for the Certification of Genealogists officially updated their standards and code of ethics to include standards for genetic genealogy.


See also


References


Further reading

General * * Hopwood, Nick, Rebecca Flemming, Lauren Kassell, eds. ''Reproduction: Antiquity to the Present Day'' (Cambridge UP, 2018). Illustrations. xxxv + 730 pp
excerpt
als
online review
44 scholarly essays by historians. * * * * British Isles * * * * * Kriesberg, Adam. "The future of access to public records? Public–private partnerships in US state and territorial archives." ''Archival Science'' 17.1 (2017): 5–25. * China * * Continental Europe * * * * * Volkmar Weiss:
German Genealogy in Its Social and Political Context.
' KDP, 2020, . North America * * * * * * * * *


External links


Family History UK
{{Authority control Genealogy, Kinship and descent