O'Connor (surname)
O'Connor is a surname of Irish origin, originally meaning Ó Conchobhair ("grandson/descendant of Conchobar"). A more modern Irish spelling is Ó Conchúir.
There were at least five unrelated Ó Conchobhair families originally, located in Derry, Sligo/Roscommon (Connachta), Offaly/Laoise (Uí Failghe), Clare (Corco Modhruadh) and Kerry (Ciarraige).
For the Connacht clan see O'Connor.
List of people with the surname O'Connor
Medieval kings
- Cathal Crobhdearg Ua Conchobair (1153–1224), King of Connacht
- Conchobar Máenmaige Ua Conchobhair (died 1189) last independent King of Connacht
- Feidhlim Mac Aoidh Ó Conchobhair, 1293–1316, King of Connacht
- Ruaidhrí Ó Conchobhair (died 1198), last High King of Ireland (also known as Rory O'Connor)
- Toirdealbhach Mac Ruaidhrí Ó Conchobhair (1088–1156), High King of Ireland (also known as Turlough O'Connor)
Law and politics
- Arthur O'Connor, various including:
- Arthur O'Connor (MP) (1844–1923), Member of Parliament for Queen's County
- Basil O'Connor (1892–1972), American lawyer, co-founded National Foundation for Infantile Paralysis with Franklin D. Roosevelt
- Batt O'Connor, Irish builder, who worked for the revolutionary Michael Collins
- Bob O'Connor (mayor) (1944–2006), Mayor of Pittsburgh, Pennsylvania
- Dennis O'Connor (judge), Associate Chief Justice of Ontario
- Edmund O'Connor (1848–1898), President pro tem of the NY State Senate 1895
- Feargus O'Connor (1794–1855), Irish Chartist leader
- Frank D. O'Connor (1909–1992), New York politician
- Frank O'Connor (1903–1966), Canadian politician
- Gavan O'Connor (b. 1947), Australian politician
- Gordon O'Connor (b. 1939), Canadian politician
- James O'Connor (Louisiana politician) (1870–1941), American politician
- John O'Connor (Canadian politician) (1824–1887), Canadian politician
- Joseph O'Connor, Irish author
- Joseph O'Connor (politician), Irish revolutionary, soldier and politician
- Joseph O'Conor (1916–2001), Irish actor
- Sir Kenneth O'Connor (b. 1896), British Judge
- Larry O'Connor (b. 1956), Canadian politician
- Máireag Bean Uí Conchobhair Fáilghe, (died 1451) Queen, and patron of the arts
- Maureen O'Connor (b. 1951), Lieutenant Governor of Ohio and member of the Ohio Supreme Court
- Maureen O'Connor (California politician) (b. 1946), Mayor of San Diego, California, from 1985—1992
- Matt O'Connor (activist), founder of the fathers' rights pressure group Fathers 4 Justice
- Michael A. O'Connor, Mayor of Berwyn, Illinois
- Michael O'Connor (Australian politician) (1865–1940), Australian politician
- Patrick J. O'Connor, Chicago alderman
- Richard O'Connor (politician) (1851–1912), Australian politician and jurist
- Sandra Day O'Connor (b. 1930), Associate Justice of the United States Supreme Court
- T.P. O'Connor (1848–1929), Irish journalist and politician
- Terence O'Connor (1891–1940), British politician
Religion
- Denis T. O'Connor (1841-1911) Roman Catholic Archbishop of Toronto
- James O'Connor (bishop) (1823-1891), Bishop of the Roman Catholic Diocese of Omaha
- John Joseph O'Connor (1920-1999), Roman Catholic Archbishop of New York City
- Michael O'Connor (bishop), Bishop of the Roman Catholic Diocese of Pittsburgh
- Patrick Edward O'Connor (1932-2014), New Zealand Roman Catholic priest
- William Patrick O'Connor, Bishop of the Roman Catholic Diocese of Superior (1942–1946)
Military
- Arthur O'Connor, various including:
- Arthur O'Connor (United Irishman) (1763–1852), United Irishmen and French General
- Bryan D. O'Connor (b. 1946), astronaut
- Luke O'Connor (1831–1915), first recipient of the Victoria Cross and British General
- Richard O'Connor (1889–1981), British General
- Rory O'Connor, Irish revolutionary soldier, who commanded Four Courts garrison
Science and academia
- C. Y. O'Connor (1843–1902), Irish engineer
- David O'Connor (Egyptologist), Australian egyptologist
- J. Dennis O'Connor, American academic administrator
- Johnson O'Connor (1891–1973), American psychometrician
Arts
- Brian O'Connor, American bassist
- Caroline O'Connor (b. 1962), Australian singer, dancer and actress
- Carroll O'Connor (1924–2001), American actor
- Claudio O'Connor (b. 1963), Argentinian singer
- Des O'Connor (b. 1932), British singer and TV Comedian
- Donald O'Connor (1925–2003), American actor and entertainer
- Ella Marija Lani Yelich-O'Connor, more known as Lorde (b. 1996), New Zealand singer-songwriter
- Flannery O'Connor (1925–1964), American author
- Frank O'Connor (1903–1966), Irish author
- Frank O'Connor (1881–1959), American actor, director, and screenwriter
- Frank O'Connor (Charles Francis O'Connor) (1897–1979), American actor and husband of Ayn Rand
- Gavin O'Connor (b. 1964), American film director, screenwriter, producer, playwright and actor
- Gavin O'Connor (b. 1972), Irish actor
- Hazel O'Connor (b. 1955), English singer and actress
- James O'Connor (drummer), American drummer
- Jim O'Connor, American actor
- Joe O'Connor (actor), American actor
- Joseph O'Connor (b. 1963), Irish novelist
- Mark O'Connor (b. 1961), American fiddler
- Raymond O'Connor (b. 1952), American character actor
- Renée O'Connor (b. 1971), American actress
- Sinéad O'Connor (b. 1966), Irish singer-songwriter
- Una O'Connor (actress) (1880–1959), Irish character actress
- O'Connor (band), Argentinian band
Sport
- Adrian O'Connor (b. 1978), Irish backstroke swimmer
- Cian O'Connor (b. 1979), Irish equestrian
- Bernard O'Connor (b. 1979), Gaelic footballer
- Brian O'Connor (baseball coach), University of Virginia baseball head coach
- Christy O'Connor Jnr (1948–2016), Irish golfer
- Christy O'Connor Snr (b. 1924), Irish golfer; uncle of Christy Jnr
- Dan O'Connor (baseball) (1868–1942), Canadian baseball player
- David O'Connor (equestrian) (b. 1962), American equestrian
- Donncha O'Connor (b. 1981), Cork All Ireland Senior Medalist
- Gary O'Connor (b. 1974), Scottish football goalkeeper
- Garry O'Connor (b. 1983), Scottish footballer (Hibernian, Lokomotiv Moscow, Birmingham City, Scotland)
- James O'Connor (footballer born 1979) (b. 1979), Irish footballer
- James O'Connor (footballer born 1984) (b. 1984), British footballer
- James O'Connor (rugby) (b. 1990), Australian rugby union player
- Jamesie O'Connor (b. 1971), Irish hurler
- Jennifer O'Connor (netball) (b. 1984), Australian netball player
- Karen O'Connor (b. 1958), American equestrian
- Mary O'Connor (athlete) (b. 1955), New Zealand long-distance runner
- Michael O'Connor (rugby) (b. 1960), Australia rugby union and rugby league player
- Michael O'Connor (footballer born 1987), Northern Ireland football (soccer) player
- Michael O'Connor (baseball player) (b. 1980), Major League Baseball player
- Patrick O'Connor (athlete), Jamaican sprinter
- Pat O'Connor (auto racer) (1928–1958), Formula One driver
- Paul O'Connor (Gaelic footballer), Irish Gaelic footballer
- Paul O'Connor (skier), Irish skier
- Peter O'Connor (athlete) (1872–1957), Irish athlete
- Red O'Connor, American football player
- Tommy O'Connor, Irish footballer
- William Joseph O'Connor (1862–1892), Canadian professional oarsman
Other
- Brendan O'Connor (disambiguation), multiple people
- Daniel O'Connor (disambiguation), multiple people
- Erin O'Connor (b. 1978), British supermodel
- Liam O'Connor (disambiguation), multiple people
- Terry O'Connor (disambiguation), multiple people
- Tom O'Connor (disambiguation), multiple people
Similar names
External links
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