John O'Hart (1824–1902) was an

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

genealogist 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 kinsh ...

. He was born in Crossmolina, County Mayo, Ireland. A committed

Roman Catholic Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *'' Epistle to the Romans'', shortened to ''Romans'', a lette ...

and

Irish nationalist Irish nationalism is a nationalist political movement which, in its broadest sense, asserts that the people of Ireland should govern Ireland as a sovereign state. Since the mid-19th century, Irish nationalism has largely taken the form of cu ...

, O'Hart had originally planned to become a priest but instead spent two years as a police officer. He was an

Associate in Arts An associate degree is an undergraduate degree awarded after a course of post-secondary study lasting two to three years. It is a level of qualification above a high school diploma, GED, or matriculation, and below a bachelor's degree. The f ...

at the

Queen's University, Belfast , mottoeng = For so much, what shall we give back? , top_free_label = , top_free = , top_free_label1 = , top_free1 = , top_free_label2 = , top_free2 = , established = , closed = , type = Public research university , parent = ...

. He worked at the Commissioners of National Education during the years of the Great Famine. He worked as a genealogist and took an interest in Irish history. He died in 1902 in Clontarf near

Dublin Dublin (; , or ) is the capital and largest city of Republic of Ireland, Ireland. On a bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, bordered on the south by the Dublin Mountains, a part of th ...

, at the age of 78. O'Hart's 800-page, ''The Irish and Anglo-Irish landed gentry'' (Dublin 1884), was reprinted in 1969, with an introduction by

Edward MacLysaght Edgeworth Lysaght, later Edward Anthony Edgeworth Lysaght, and from 1920 Edward MacLysaght ( ga, Éamonn Mac Giolla Iasachta; 6 November 1887 – 4 March 1986) was a genealogist of twentieth century Ireland. His numerous books on Irish surnames b ...

, the first

Chief Herald of Ireland The Genealogical Office is an office of the Government of Ireland containing genealogical records. It includes the Office of the Chief Herald of Ireland ( ga, Príomh Aralt na hÉireann), the authority in Ireland for heraldry. The Chief Herald ...

. Another work, ''Irish pedigrees; or, The origin and stem of the Irish nation'', first published in 1876, has come out in several subsequent editions. To complete his genealogies he used the writings of

Cú Choigcríche Ó Cléirigh Cú Choigcríche Ó Cléirigh ( fl. 1624–1664) was an Irish historian and genealogist, known in English as Peregrine O'Clery. Life and work Ó Cléirigh was a son of Diarmaid Ó Cléirigh, and thus a third-cousin once removed to Brother Mích ...

Dubhaltach Mac Fhirbhisigh 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, histori ...

and O'Farrell, along with the ''

Annals of the Four Masters The ''Annals of the Kingdom of Ireland'' ( ga, Annála Ríoghachta Éireann) or the ''Annals of the Four Masters'' (''Annála na gCeithre Máistrí'') are chronicles of medieval Irish history. The entries span from the Deluge, dated as 2,24 ...

'', for the medieval pedigrees. He used the works of

Bernard Burke Sir John Bernard Burke, (5 January 1814 – 12 December 1892) was a British genealogist and Ulster King of Arms, who helped publish ''Burke's Peerage''. Personal life Burke, of Irish descent, was born at London and was educated in London and ...

, John Collins and others to extend his genealogies past the 17th century.

Stem of the Irish nation

In his ''Irish Pedigrees'', O'Hart presents the legendary origins of the Irish people, from the Biblical Adam and Eve through the kings of ancient

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

. Irish tradition holds that every Irish person is descended from the king Milesius who emigrated from

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

in approximately 1700 BC, according to the ''

''. O'Hart started each of his genealogies with

Adam Adam; el, Ἀδάμ, Adám; la, Adam is the name given in Genesis 1-5 to the first human. Beyond its use as the name of the first man, ''adam'' is also used in the Bible as a pronoun, individually as "a human" and in a collective sense as " ...

, recording Milesius as his 36th descendant. From the start;
(1)

, his son
(2)

Seth Seth,; el, Σήθ ''Sḗth''; ; "placed", "appointed") in Judaism, Christianity, Islam, Mandaeism, and Sethianism, was the third son of Adam and Eve and brother of Cain and Abel, their only other child mentioned by name in the Hebrew Bible. A ...

, his son
(3)

Enos Enos or Enosh (Hebrew: , Standard ''Enosh'', Tiberian ''ʼĔnôš''; "mortal man”) may refer to: People in religious scripture * Enos (biblical figure), a genealogical figure in the Bible. * The Book of Enos, one of the books that make up the B ...

, his son
(4)

Cainan Cainan (from ''Qēnān, Kēnān'') is mentioned in the Septuagint, the Greek translation of the Book of Genesis, the Book of Jubilees and the genealogy of Jesus given in Luke 3:36 in the New Testament. He is described as a son of Arpachshad and ...

, his son
(5) Mahalaleel, his son
(6)

Jared Jared is a given name of Biblical derivation. Origin In the Book of Genesis, the biblical patriarch Jared (יֶרֶד) was the sixth in the ten pre-flood generations between Adam and Noah; he was the son of Mahalaleel and the father of En ...

, his son
(7)

Enoch Enoch () ''Henṓkh''; ar, أَخْنُوخ ', Qur'ān.html"_;"title="ommonly_in_Qur'ān">ommonly_in_Qur'ānic_literature__'_is_a_biblical_figure_and_Patriarchs_(Bible).html" "title="Qur'ānic_literature.html" ;"title="Qur'ān.html" ;"title="o ...

, his son
(8)

Methuselah Methuselah () ( he, מְתוּשֶׁלַח ''Məṯūšélaḥ'', in pausa ''Məṯūšālaḥ'', "His death shall send" or "Man of the javelin" or "Death of Sword"; gr, Μαθουσάλας ''Mathousalas'') was a biblical patriarch and a ...

, his son
(9) Lamech, his son
(10)

Noah Noah ''Nukh''; am, ኖህ, ''Noḥ''; ar, نُوح '; grc, Νῶε ''Nôe'' () is the tenth and last of the pre-Flood patriarchs in the traditions of Abrahamic religions. His story appears in the Hebrew Bible (Book of Genesis, chapters 5– ...

, his son
(11)

Japhet Japheth ( he, יֶפֶת ''Yép̄eṯ'', in pausa ''Yā́p̄eṯ''; el, Ἰάφεθ '; la, Iafeth, Iapheth, Iaphethus, Iapetus) is one of the three sons of Noah in the Book of Genesis, in which he plays a role in the story of Noah's drunk ...

, his son
(12) Magog, his son
(13) Baoth, "to whom

Scythia Scythia (Scythian: ; Old Persian: ; Ancient Greek: ; Latin: ) or Scythica (Ancient Greek: ; Latin: ), also known as Pontic Scythia, was a kingdom created by the Scythians during the 6th to 3rd centuries BC in the Pontic–Caspian steppe. His ...

came has his lot", his son
(14) Phoeniusa Farsaidh ( Fenius Farsa) King of Scythia, his son
(15) Niul, his son
(16) Gaodhal (Gathelus), his son
(17) Asruth, his son
(18) Sruth (who fled

Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...

Creta Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and ...

), his son
(19) Heber Scut (returned to Scythia), his son
(20) Beouman, King of Scythia, his son
(21) Ogaman King of Scythia, his son
(22) Tait King of Scythia, his son
(23) Agnon (who fled Scythia by sea with the majority of his people), his son
(24) Lamhfionn (who led his people to Gothia or

Getulia Gaetuli was the Romanised name of an ancient Berber tribe inhabiting ''Getulia''. The latter district covered the large desert region south of the Atlas Mountains, bordering the Sahara. Other documents place Gaetulia in pre-Roman times along th ...

, where

Carthage Carthage was the capital city of Ancient Carthage, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the classi ...

was afterwards built), his son
(25) Heber Glunfionn, King of Gothia, his son
(26) Agnan Fionn King of Gothia, his son
(27) Febric Glas King of Gothia, his son
(28) Nenuall King of Gothia, his son
(29) Nuadhad King of Gothia, his son
(30) Alladh King of Gothia, his son
(31) Arcadh King of Gothia, his son
(32) Deag King of Gothia, his son
(33) Brath, King of Gothia (who left Gothia with a large band of his people and settled in Galicia,

), his son
(34) Breoghan, King of Galicia,

Andalusia Andalusia (, ; es, Andalucía ) is the southernmost Autonomous communities of Spain, autonomous community in Peninsular Spain. It is the most populous and the second-largest autonomous community in the country. It is officially recognised as a ...

Murcia Murcia (, , ) is a city in south-eastern Spain, the capital and most populous city of the autonomous community of the Region of Murcia, and the seventh largest city in the country. It has a population of 460,349 inhabitants in 2021 (about one ...

, Castile, and

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

, his son
(35)

Bile Bile (from Latin ''bilis''), or gall, is a dark-green-to-yellowish-brown fluid produced by the liver of most vertebrates that aids the digestion of lipids in the small intestine. In humans, bile is produced continuously by the liver (liver bile ...

, King of Galicia, Andalusia, Murcia, Castile, and Portugal, and his son
(36) Galamh (also known as Milesius of Spain), King of Galicia, Andalusia, Murcia, Castile, and Portugal. According to O'Hart's account, Milesius had four sons, Heber, Ir, Heremon, and Amergin, who were involved, with their uncle Ithe, in the invasion of ancient

; Milesius, himself, had died during the planning. Amergin died during the invasion, without issue. It is from the four other invaders — Heber, Ir, Heremon, and Ithe — from whom the Irish are alleged to descend. These, according to O'Hart, are the four lines from which all true Irish descend.

Conn of the Hundred Battles Conn Cétchathach (; "of the Hundred Battles"), son of Fedlimid Rechtmar, was a semi-legendary High King of Ireland and the ancestor of the Connachta, and, through his descendant Niall Noígiallach, the Uí Néill dynasties, which dominated Irela ...

was a descendant of Erimon, and

Brian Boru Brian Boru ( mga, Brian Bóruma mac Cennétig; modern ga, Brian Bóramha; 23 April 1014) was an Irish king who ended the domination of the High King of Ireland, High Kingship of Ireland by the Uí Néill and probably ended Viking invasion/domi ...

was descended from both Heber and Conn.

Sources

Irish pedigrees; or, The origin and stem of the Irish nation (1892), by John O'Hart, is available in 2 volumes free on the

Internet Archive The Internet Archive is an American digital library with the stated mission of "universal access to all knowledge". It provides free public access to collections of digitized materials, including websites, software applications/games, music, ...

. :''Irish pedigrees; or, The origin and stem of the Irish nation (1892), by John O'Hart, - Volume: 1'' :' :''Irish pedigrees; or, The origin and stem of the Irish nation (1892), by John O'Hart, - Volume: 2'' :' Another book by John O'Hart is also available free on the Internet Archive. :''The Irish landed gentry when Cromwell came to Ireland (1887), by John O'Hart;'' :'

External links

Geoghegan family genealogy as compiled by John O'Hart
{{DEFAULTSORT:Ohart, John 1824 births 1902 deaths Celtic studies scholars Irish genealogists 19th-century Irish historians People from County Mayo