O'Mahony (

Old Irish Old Irish, also called Old Gaelic ( sga, Goídelc, Ogham script: ᚌᚑᚔᚇᚓᚂᚉ; ga, Sean-Ghaeilge; gd, Seann-Ghàidhlig; gv, Shenn Yernish or ), is the oldest form of the Goidelic/Gaelic language for which there are extensive writt ...

: ''Ó Mathghamhna'';

Modern Irish Irish (Standard Irish: ), also known as Gaelic, is a Goidelic language of the Insular Celtic branch of the Celtic language family, which is a part of the Indo-European language family. Irish is indigenous to the island of Ireland and was the ...

: ''Ó Mathúna'') is the original name of the clan, with breakaway clans also spelled O'Mahoney, or simply Mahony, Mahaney and Mahoney, without the prefix. Brodceann O'Mahony was the eldest of the four sons of Mathghamain, known as "The Four Descendants". The O'Mahonys were Cenél nÁeda princes of the ancient

Eóganacht Raithlind Eóganacht Raithlind or Uí Echach Muman are a branch of the Eóganachta, the ruling dynasty of Munster in southwest Ireland during the 5th-10th centuries. They took their name from Raithlinn or Raithleann described around the area of Bandon, in ...

. They were also for a period kings of

Munster Munster ( gle, an Mhumhain or ) is one of the provinces of Ireland, in the south of Ireland. In early Ireland, the Kingdom of Munster was one of the kingdoms of Gaelic Ireland ruled by a "king of over-kings" ( ga, rí ruirech). Following the ...

and Desmond, and take their name from Mathghamhain, son of

Cian In Irish mythology, Cian or Cían (), nicknamed Scal Balb, was the son of Dian Cecht, the physician of the Tuatha Dé Danann, and best known as the father of Lugh Lamhfada. Cían's brothers were Cu, Cethen, and Miach. Cían was slain by the Son ...

, son of

Máel Muad mac Brain Máel Muad mac Brain (died 978), commonly anglicised Molloy, was King of Munster, first possibly from 959 Green, p. 362 or alternatively 963 to around 970, when he may have been deposed (usurped) by Mathgamain mac Cennétig of the Dál gCais, and ...

King of Munster The kings of Munster ( ga, Rí Mumhan), ruled from the establishment of Munster during the Irish Iron Age, until the High Middle Ages. According to Gaelic traditional history, laid out in works such as the '' Book of Invasions'', the earliest ...

from around 960 to 970, and then again from 976 to 978. From 970 to 976 he was king of Desmond. His son Cian became a close ally of

Brian Bóruma 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 ...

and married his daughter Sadb. From this marriage descend the O'Mahonys. Their Dukedom of O'Mahony came to an end in 1740.

List of people

* Bernard O'Mahoney, crime author *

Dave Allen (comedian) David Tynan O'Mahony (6 July 193610 March 2005), known professionally as Dave Allen, was an Irish comedian, satirist, and actor. He was best known for his observational comedy. Allen regularly provoked indignation by highlighting political hypoc ...

, Real name David Tynan O'Mahony. Famous Irish-English comedian. *

Bertha Mahony Bertha Mahony (1882–1969), also known as Bertha Mahony Miller, is considered a figurehead of the children's literature movement. She created one of the first children's bookstores in Boston, Massachusetts. Mahony was also the founder of the ''Ho ...

, children's literature specialist * Charles Mahoney (disambiguation) *

Conor O'Mahony (priest) Conor O'Mahony (Irish language, Irish: ''Conchobhar Ó Mathghamhna''; 1594–28 February 1656) was an Irish Catholic priest, academic and author who belonged to the Society of Jesus. He was educated in Spain and Portugal, spending much of his life ...

, Irish Jesuit priest * Cynthia L. Mahoney, Episcopalian nun and former chaplain in New York City, present at "Ground Zero" * Dan Mahoney (baseball), baseball player * Dan Mahoney (journalist), Irish-American journalist investigated for possible Communist activities *

Dan Mahoney (politician) Daniel John Mahoney (25 January 1909 – 11 September 1996) was an Australian politician. He was a Australian Labor Party (New South Wales Branch), Labor Party member of the New South Wales Legislative Assembly from 1959 to 1976. Mahoney was bor ...

, Australian politician *

Daniel O'Mahony Daniel O'Mahony (born 24 July 1973) is a half-British half-Irish author, born in Croydon. He is the oldest of five children, his siblings including Eoin O'Mahony of the band Hamfatter, and Madeleine O'Mahony, who has designed and made hats for Ca ...

, author *

Darragh O'Mahony Darragh O'Mahony (born 18 August 1972) is an Irish former rugby union player who played on the wing for Moseley, Bedford Blues, Saracens and Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, i ...

, rugby player *

Dennis Mahony Dennis Aloysius Mahony (January 20, 1821 in Rosscarbery, County Cork, Ireland – November 6, 1879) was one of the founders of the Dubuque ''Herald'' (now the ''Telegraph Herald''), a newspaper in Dubuque, Iowa, during the American Civil War. Bio ...

, newspaper founder * Dermot O'Mahony, Irish politician and farmer * Duncan O'Mahony, Canadian footballer * Eugene O'Mahony, Irish museum curator and entomologist * Flor O'Mahony, Irish politician *

Francis Sylvester Mahony Francis Sylvester Mahony (31 December 1804 – 18 May 1866), also known by the pen name Father Prout, was an Irish humorist and journalist. Life He was born in Cork, Ireland, to Martin Mahony and Mary Reynolds. He was educated at the Jesuit ...

, Irish humorist * Frank P. Mahony, Australian artist *

George P. Mahoney George Perry Mahoney (December 16, 1901 – March 18, 1989) was an Irish American Catholic building contractor and Democratic Party politician from the State of Maryland. A perennial candidate, Mahoney is perhaps most famous as the Democratic no ...

, Catholic politician from Maryland *

Gwen O'Mahony Gwen O'Mahony (born November 2, 1972) is a Canadian politician, who represented Chilliwack-Hope in the Legislative Assembly of British Columbia from April 2012 until April 2013 as a member of the British Columbia New Democratic Party. She was th ...

, Canadian politician *

J. Daniel Mahoney John Daniel Mahoney (September 7, 1931 – October 23, 1996) was a United States circuit judge of the United States Court of Appeals for the Second Circuit. Education and career Born in Orange, New Jersey, Mahoney received a Bachelor of Arts d ...

, U.S. judge and founder of the Conservative Party * Jeremiah Mahoney (Medal of Honor), Medal of Honor recipient from the American Civil War *

Joan Mahoney Joan Mahoney (born 1943) is a legal scholar and former dean of two law schools. She served as Dean at Wayne State University Law School in Detroit, Michigan, from 1998 to 2003, the first woman law school dean in Michigan and one of the very few wo ...

, American law professor *

Jock Mahoney Jacques Joseph O'Mahoney (February 7, 1919 – December 14, 1989), known professionally as Jock Mahoney, was an American actor and stuntman. He starred in two Action/Adventure television series, ''The Range Rider'' and ''Yancy Derringer''. He ...

, American actor and stuntman *

John Mahoney Charles John Mahoney (June 20, 1940 – February 4, 2018) was an English-born American actor. He was known for playing Martin Crane on the NBC sitcom ''Frasier'' (1993–2004), and won a Screen Actors Guild Award for the role in 2000. Mahone ...

(1940–2018), English-American actor *

John O'Mahony John Francis O'Mahony (1815 – 7 February 1877) was a Gaelic scholar and the founding member of the Fenian Brotherhood in the United States, sister organisation to the Irish Republican Brotherhood. Despite coming from a reasonably wealthy fa ...

, scholar and founder of the Fenian Brotherhood *

John O'Mahony (Mayo politician) John O'Mahony (born 8 June 1953) is an Irish former Fine Gael politician and former football manager who served as a Senator from 2016 to 2020, after being nominated by the Taoiseach. He was a Teachta Dála (TD) for the Mayo constituency from ...

John Keefer Mahony John Keefer Mahony (30 June 1911 – 15 December 1990) was a Canadian recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. Det ...

, Canadian recipient of the Victoria Cross *

Joseph C. O'Mahoney Joseph Christopher O'Mahoney (November 5, 1884December 1, 1962) was an American journalist, lawyer, and politician. A Democrat, he served four complete terms as a U.S. Senator from Wyoming on two occasions, first from 1934-1953 and then again fro ...

, United States Senator from Wyoming *

Katharine A. O'Keeffe O'Mahoney Katharine A. O'Keeffe O'Mahoney (, O'Keeffe; pen names, Katharine A. O'Keeffe and Katherine A. O'Keeffe; 1855 – 2 January 1918) was an Irish-born American educator, lecturer, and writer. A teacher of poetry to Robert Frost, she was the author o ...

(1855–1918), Irish-born American educator, lecturer, writer, editor *

Margaret O'Mahony Margaret O'Mahony is an Irish civil engineer. She is the Professor of Civil Engineering at Trinity College Dublin. O'Mahony completed a bachelor of engineering in civil engineering at NUI Galway and a doctorate from the Department of Engineering ...

, Irish civil engineer *

Margaret Murphy O'Mahony Margaret Murphy O'Mahony (born 3 April 1969) is an Irish former Fianna Fáil politician who served as a Teachta Dála (TD) for the Cork South-West constituency from 2016 to 2020. She had been a member of Cork County Council for the Bandon-Kin ...

(born 1969), Irish politician *

Marion Mahony Griffin Marion Mahony Griffin (; February 14, 1871 – August 10, 1961) was an American architect and artist. She was one of the first licensed female architects in the world, and is considered an original member of the Prairie School. Her work in ...

, American architect and artist * Maureen Mahoney, appellate lawyer *

Patricia Mahoney Patricia Alice Mahoney is an American diplomat serving as the United States Ambassador to the Central African Republic. She previously served as the United States Ambassador to Benin. Early life and education Mahoney earned her Bachelor of Arts ...

, American diplomat *

Patrick Mahoney Patrick Mahoney VC (1827 – 30 October 1857) was an Irish recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. Details He was ...

, Irish recipient of the Victoria Cross *

Pat Mahoney Patrick Morgan (Pat) Mahoney, (January 20, 1929 – June 8, 2012) was a Canadian judge, politician, lawyer and businessman. Mahoney was first elected to parliament in the 1968 election as the Liberal Member of Parliament for Calgary Sou ...

, PC, Canadian judge, politician, lawyer and businessman *

Paul Mahoney (American lawyer) Paul G. Mahoney (born 1959) is an American law professor who worked as the dean of the University of Virginia School of Law from July 1, 2008 to July 1, 2016. He succeeded John Calvin Jeffries as Dean, and was succeeded by Risa L. Goluboff. Edu ...

, American law professor * Paul Mahoney (English judge), British judge of the European Court of Human Rights *

Peter O'Mahony Peter O'Mahony (born 17 September 1989) is an Irish rugby union player. He plays for Munster in the United Rugby Championship and European Rugby Champions Cup and Ireland internationally. During his career, O'Mahony has captained Presentatio ...

, rugby player *

Pierce Charles de Lacy O'Mahony Pierce Charles de Lacy O'Mahony (9 June 1850 – 31 October 1930), known up to 1901 as Pierce Mahony, and from 1912 also as The O'Mahony of Kerry, was an Irish Protestant nationalist politician and philanthropist, who practised as a barrister fro ...

, Irish Protestant Nationalist, philanthropist, politician and MP *

Roger Mahony Roger Michael Mahony (born February 27, 1936) is an American cardinal and retired prelate of the Catholic Church who served as Archbishop of Los Angeles from 1985 to 2011. Before his appointment, he served as Auxiliary Bishop of Fresno from ...

, American Cardinal of the Roman Catholic Church *

Rosemary Mahoney Rosemary Mahoney (born January 28, 1961 Boston, Massachusetts) is an American writer. She has published six books of narrative non-fiction and numerous magazine articles. For the ''American Spectator'', Christopher Caldwell wrote, "Mahoney has a ...

, American writer of non-fiction narrative *

Seán O'Mahony Seán O'Mahony (also John O'Mahoney) (20 October 1872 – 28 November 1934) was an Irish Sinn Féin politician and member of the First and Second Dáil. He was born as John Mahony in Logan Street, Thomastown, County Kilkenny, to James Mahony, ...

, Irish politician * Sean O'Mahony (Gaelic footballer) (born 1976), Gaelic footballer *

Sean O'Mahony (journalist) Sean O'Mahony (1932 – 21 July 2020) was a British music writer and magazine editor. He worked as a music journalist in the 1960s under the name Johnny Dean, and was the founder and editor of ''Beat Instrumental'', '' The Beatles Book'', and ...

(1932–2020), British music writer and magazine editor *

Steve Mahoney Steven W. Mahoney, (born July 18, 1947) is a Canadian politician. He was a member of the Legislative Assembly of Ontario from 1987 to 1995, and a member of the House of Commons of Canada from 1997 to 2004. In the latter capacity, he served as ...

, Canadian politician *

Suzanne Somers Suzanne Marie Somers (née Mahoney; born October 16, 1946) is an American actress, author, singer, businesswoman, and health spokesperson. She appeared in the television role of Chrissy Snow on ''Three's Company'' and as Carol Foster Lambert on ...

née Mahoney, U.S. actress * Thomas O'Mahony, politician * Walter J. Mahoney, American lawyer and politician * William Mahony (disambiguation) * William B. Mahoney, U.S. journalist and substance-abuse counselor ;Places *

Dunlough Castle Dunlough Castle, standing atop the cliffs at the northern tip of the Mizen Peninsula, looks at the Atlantic Ocean from the extreme southwest point of Ireland. Founded in 1207 by Donagh O’Mahony, Dunlough is one of the oldest castles in souther ...

Mahoney Lake Mahoney Lake is a meromictic saline lake located near Okanagan Falls in British Columbia, Canada. It was established as an ecological reserve to preserve a southern interior saline lake, possessing unique limnological features in 1972. It has a un ...

* Mahoney's Corner, Nova Scotia *

Bishop James Mahoney High School Bishop James Mahoney High School (BJM) is a high school serving grades 9 to 12, located in the Lawson Heights neighbourhood in the north end of Saskatoon, Saskatchewan, Canada. It is also known as Bishop Mahoney High School. It is the only Catholic ...

* Dunmanus Castle ;Flying machines and equations *

Beck-Mahoney Sorceress The Beck-Mahoney ''Sorceress'' was a racing staggerwing biplane originally designed by the father and son team of Lee and Seldon Mahoney with later improvements accomplished by pilot Don Beck. The aircraft is notable as being the first biplane t ...

Benjamin–Bona–Mahony equation The Benjamin–Bona–Mahony equation (BBM equation, also regularized long-wave equation; RLWE) is the partial differential equation :u_t+u_x+uu_x-u_=0.\, This equation was studied in as an improvement of the Korteweg–de Vries equation (KdV ...

* Mahoney tables

References

* Byrne, Francis J., ''Irish Kings and High-Kings''. Four Courts Press. 2nd edition, 2001. * Charles-Edwards, Thomas M., ''Early Christian Ireland''. Cambridge University Press. 2000. * MacLysaght, Edward, ''Irish Families: Their Names, Arms and Origins''. Irish Academic Press. 4th edition, 1998. * O'Hart, John
Irish Pedigrees
Dublin: James Duffy and Co. 5th edition, 1892. * Todd, James Henthorn (ed. and tr.)
Cogadh Gaedhel re Gallaibh: The War of the Gaedhil with the Gaill
Longmans. 1867. (pedigree: pg. 248)

External links

The O Mahony Society
Updated website for the society
The O'Mahony Society

O'Mahony Pedigree
at Library Ireland
Famille O'Mahony
at GeneaWiki (in French) {{surname

List of people

See also

References

External links