O'Connor (surname)

O'Connor or O'Conor 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'Conor.

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)

Arts

• Brian O'Connor, American bassist
• Caroline O'Connor (b. 1962), Australian singer, dancer and actress
• Carroll O'Connor (1924–2001), American actor
• Celeste O'Connor (b. 1998), American actress
• 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
• Elmo O'Connor (b.1994), American rapper and singer known as BONES, founder of TeamSESH.
• 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, American drummer
• Jim O'Connor, American actor
• Dr John William O'Connor PhD, Psychologist, Award Winning Author
• Joe O'Connor, American actor
• Josef O'Connor, artist
• Joseph O'Connor (b. 1963), Irish novelist
• Mark O'Connor (b. 1961), American fiddler
• Raymond O'Connor (b. 1952), American character actor
• Renee O'Connor (b. 1971), American actress
• Ruairi O'Connor (b. 1991), Irish actor
• Sinéad O'Connor (b. 1966), Irish singer-songwriter
• Una O'Connor (actress) (1880–1959), Irish character actress
• O'Connor, Argentinian band

Law and politics

• Arthur O'Connor (United Irishman) (1763–1852), United Irishman and later a general in Napoleon's army
• 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, 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
• Jeremiah F. O'Connor (1933-2010), American politician
• John O'Connor (Canadian politician) (1824–1887), Canadian politician
• Joseph O'Connor, Irish author
• Joseph O'Connor, Irish revolutionary, soldier and politician
• Joseph O'Conor (1916–2001), Irish actor
• Sir Kenneth O'Connor (1896-1985), 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, founder of the fathers' rights pressure group Fathers 4 Justice
• Michael O'Connor (Australian politician) (1865–1940), Australian politician
• Patrick J. O'Connor, Chicago alderman
• Ray O'Connor (1926–2013), 22nd Premier of Western Australia, convicted fraudster and Australian rules footballer
• 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

Military

• Bryan D. O'Connor (b. 1946), astronaut
• Francis Burdett O'Connor was an officer in the Irish Legion of Simón Bolívar's army in Venezuela.
• 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

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 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)

Science and academia

• Annette O'Connor, professor and researcher in health care
• C. Y. O'Connor (1843–1902), Irish engineer
• David O'Connor, Australian egyptologist
• J. Dennis O'Connor, American academic administrator
• Johnson O'Connor (1891–1973), American psychometrician
• Michael Patrick O'Connor (1950-2007), American linguist
• Thomas H. O'Connor (1923-2012), American historian

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, 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
• Denise O'Connor (b. 1935), American Olympic fencer
• 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
• Joe O'Connor (b. 1995) english snooker 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, Northern Ireland football (soccer) player
• Michael O'Connor (baseball player) (b. 1980), Major League Baseball player
• Patrick O'Connor, Jamaican sprinter
• Pat O'Connor (racing driver) (1928–1958), Formula One driver
• Pat O'Connor (American football) (born 1993), American football player
• Paul O'Connor, Irish Gaelic footballer
• Paul O'Connor, Irish skier
• Peter O'Connor (athlete) (1872–1957), Irish athlete
• Red O'Connor, American football player
• Tommy O'Connor, Irish footballer
• Tony O'Connor, Irish rower
• William Joseph O'Connor (1862–1892), Canadian professional oarsman

Other

• Brendan O'Connor, multiple people
• Daniel O'Connor, multiple people
• Erin O'Connor (b. 1978), British supermodel
• Liam O'Connor, multiple people
• Terry O'Connor, multiple people
• Tom O'Connor, multiple people

Similar names

• O'Conner
• Conner (surname)
• Connor (surname)
• Connors (surname)
• Conor
• O'Conor Don
• O Connor Sligo

External links

• O'Connor Clan of Ireland