page_title: O'Shaughnessy
section_title: Notable O'Shaughnessys
hierarchical_section_title: O'Shaughnessy / Notable O'Shaughnessys
caption_attribution_description: Arthur William Edgar O'Shaughnessy (1844 – 1881) - a British poet of Irish descent, born in London.
context_page_description: Ó Seachnasaigh, O'Shaughnessy, collectively Uí Sheachnasaigh, clan name Cinél nAedha na hEchtghe, is a family surname of Irish origin. The name is found primarily in County Galway and County Limerick. Their name derives from Seachnasach mac Donnchadh, a 10th-century member of the Uí Fiachrach Aidhne, which the Ó Seachnasaigh were the senior clan of. The town of Gort, Ireland, was the main residence of the family since at least the time of their ancestor, King Guaire Aidne mac Colmáin.
context_section_description: Notable people with this surname include:
  Andrew O'Shaughnessy (historian), historian
  Andrew O'Shaughnessy (hurler) (born 1984), Irish hurler
  Andrew O'Shaughnessy (politician) (1866–1956), Irish politician and Industrialist
  Anthony O’Shaughnessy (born 1992), British-born cook, MasterChef contestant
  Arthur O'Shaughnessy (1844–1881), British poet and herpetologist
  Barney O'Shaughnessy (1912–2007), Australian cricketer
  Bob O'Shaughnessy (1921–1995), American basketball player
  Daniel O'Shaughnessy (born 1994), Finnish footballer
  Darren O'Shaughnessy (born 1972), Irish author, nom de plume Darren Shan
  Edward O'Shaughnessy (1860–1885), English cricketer
  Eileen O'Shaughnessy (1905–1945), the first wife of George Orwell
  James O'Shaughnessy (born 1960), American author and investor
  James O'Shaughnessy, Baron O'Shaughnessy (born 1976), British politician
  Margaret Heckler (born 1931, Margaret Mary O'Shaughnessy), US lawyer and politician
  Michael O'Shaughnessy (1864–1934), Irish civil engineer
  Nicholas O'Shaughnessy, professor, author and political commentator
  Patrick O'Shaughnessy (born 1993), Finnish footballer
  Prince O'Shaughnessy (stage name) (born 1996), former professional wrestler
  Roger O'Shaughnessy (died 1690), Captain in the Army of James II of England
  Ryan O'Shaughnessy (born 1992), Irish singer-songwriter
  Tam O'Shaughnessy (born 1952), American author and educator
  Terrence J. O'Shaughnessy, general, United States Air Force 
  Tony O'Shaughnessy (born 1930), Irish hurler
  Thomas O'Shaughnessy (1850–1933), Recorder of Dublin
  Sir Roger O'Shaughnessy of Kinelea (died 1569)
  William O'Shaughnessy (1673–1744), Major-General and Chief of the Name
  William Brooke O'Shaughnessy (1809–1889), Irish toxicologist, chemist and inventor (telegraph)
  William O'Shaughnessy (born 1964), Irish-American musician
caption: Arthur O'Shaughnessy, 19th-century poet
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