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Ó Mathúna
Blason famille fr O'Mahony.svg
Armorial of O'Mahony
Country Kingdom of Desmond
Parent house Eóganachta
Founder Mathgamain mac Cian

O'Mahony (Old Irish: Ó Mathghamhna; Modern Irish: Ó Mathúna) also spelled O'Mahoney, or simply Mahony and Mahoney, without the prefix, is an Irish Gaelic sept, and may refer to:

The O'Mahonys were Cenél nÁeda princes of the ancient Eóganacht Raithlind. They were also for a period kings of Munster and Desmond, and take their name from Mathgamain, son of Cian, son of Máel Muad mac Brain, King of Munster 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 and married his daughter Sadb. From this marriage descend the O'Mahonys.

List of people

Flying machines and equations

See also

Other Munster families


  • 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)

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