The O'Connor surname

In the 2010 U.S. Census, 77,923 people carried this name — #417 among all U.S. surnames, about 1 in every 3,790 people counted. That is up 4% from 74,756 in 2000.

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What the name means

The meaning of the O'Connor surname

A patrilineal surname from Irish.

Anglicisation of Irish Ó Conchúir, meaning "descendant of Conor".

From Wiktionary, the free dictionary (en.wiktionary.org) — entry «O'Connor» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.

In Ireland’s birth registers, 1890

Ireland registered 266 births for the O’Connor name in 1890.

They were registered in all four provinces, most of all in Munster. By the Registrar-General’s own method — births multiplied by 44.38 — that is about 11,800 people bearing the name in Ireland at the time. 7 of them were indexed under other spellings of the name.

Where it concentrates, on the map

Where they were born, 1890

Munster 174
Leinster 50
Connacht 29
Ulster 13

Registrar-General for Ireland, «Special Report on Surnames in Ireland» (R. E. Matheson, 1894), births index of 1890 — public domain.

In print

O'Connor in American newspapers,
1893–1917.

Newspaper page from Montgomery County Sentinel carrying the name O'Connor
Montgomery County Sentinel 1917-06-08
Newspaper page from Kentucky Irish American carrying the name O'Connor
Kentucky Irish American 1902-11-22
Newspaper page from Brookings Register carrying the name O'Connor
Brookings Register 1893-07-14

Chronicling America, Library of Congress — digitised newspapers in the public domain · 439,370 pages in all carry the name.

In print

O'Connor in Australian newspapers,
1800s–2020s.

309,731 articles name a Mr, Mrs or Miss O'Connor. The most, 52,481, date from the 1900s.

Articles, by state

New South Wales 114,911
Victoria 63,853
Queensland 55,907
South Australia 30,640
Western Australia 25,603
Tasmania 16,222
ACT (Canberra) 1,972
Northern Territory 250

Trove, National Library of Australia (trove.nla.gov.au) · articles in its digitised newspapers that name a Mr, Mrs or Miss O'Connor.

In the public record

People named O'Connor,
in the records of 8 countries.

Soldiers, farmers, migrants and neighbours who carried the name and left a trace in public archives. Everyone shown here died long ago or was born more than a century ago.

United States21,840 records

21,840 records of the O'Connor name in the United States
  • New York City birth, marriage and death certificates 9,545
  • Passenger arrivals in the United States, 1820–1912 3,854
  • Other U.S. records 8,441
  1. Names engraved on the Vietnam Veterans Memorial, Washington, D.C.
    Example: U.S. war memorial
    War record Denis O'Connor

    Born 1940; from San Francisco, California. U.S. Army, field artillery unit commander; killed in action 1967 in Quang Nam, South Vietnam. Buried at Golden Gate National Cemetery, California.

    U.S. National Archives, Defense Casualty Analysis System (public domain); U.S. Department of Veterans Affairs, Gravesite Locator (CC0)
  2. A United States Selective Service registration card, 1942
    Example: U.S. registration card, 1942
    Military record Sidney L. O'Connor

    Born 1917 in South Dakota. Enlisted 1941 at San Francisco, California; painter. U.S. Army veteran of World War II; died 1995, buried at Willamette National Cemetery, Oregon.

    U.S. National Archives, WWII Army Enlistment Records (public domain); U.S. Department of Veterans Affairs, Gravesite Locator (CC0)
  3. A passenger manifest of the S.S. St. Paul, arriving at New York in 1903
    Example: passenger manifest, 1903
    Passenger record Ellen O'Connor

    Arrived at New York in 1892 aboard the Majestic from Liverpool and Queenstown, aged 25; servant. From Liverpool, England; bound for New York.

    U.S. National Archives, Castle Garden Immigration Center Collection, Ship Passenger Records (unrestricted)

Showing 3 of 21,840 records for O'Connor in the United States.

Counts: NYC Department of Records & Information Services, Historical Vital Records (NYC Open Data) · U.S. National Archives, Castle Garden Immigration Center Collection, Ship Passenger Records (unrestricted) · U.S. National Archives, WWII Army Enlistment Records (public domain) · U.S. National Archives, Flexoline Index Data File (public domain) · U.S. Department of Veterans Affairs, Gravesite Locator (CC0) · New York State Department of Health, Genealogical Research Death Index · U.S. National Archives, Famine Irish Passenger Records (public domain) · U.S. National Archives, Defense Casualty Analysis System (public domain) · New York State, Open NY (police and firefighter memorial rolls) · Sacramento County, Historic Burials (CC BY 4.0) · Ramsey County, Minnesota (public domain). Example pages, not the records of the people shown: Vietnam Veterans Memorial, photo by U.S. Army Sgt. 1st Class Michael J. Carden, 2009 (public domain); U.S. Selective Service registration card, 1942 (public domain); Passenger manifest of the S.S. St. Paul, New York, 1903 (public domain).

Australia6,081 records

6,081 records of the O'Connor name in Australia
  • Victoria passenger lists, 1839–1923 2,892
  • Victoria wills and probate, deaths to 2001 1,402
  • Other Australian records 1,787
  1. An 1829 etching of convicts being rowed out to the prison ship York in Portsmouth Harbour
    Pictured: convicts going on board a prison ship, 1829
    Transportation record Priscilla O'Connor

    Transported to Van Diemen's Land aboard the Royal Admiral, sailing from London in 1842. Native of Roscommon. Applied for permission to marry in Van Diemen's Land in 1844. Married 1844 in Launceston, Tasmania, aged 21.

    Libraries Tasmania, Tasmanian Names Index (CC BY 4.0)
  2. An 1829 etching of convicts being rowed out to the prison ship York in Portsmouth Harbour
    Pictured: convicts going on board a prison ship, 1829
    Transportation record Ann O'Connor

    Transported to Van Diemen's Land aboard the Mary Anne, sailing from Dublin in 1840. Native of Limerick. Applied for permission to marry in Van Diemen's Land in 1842.

    Libraries Tasmania, Tasmanian Names Index (CC BY 4.0)
  3. A petition to the probate court of St. Louis, 1848
    Example: probate petition, 1848
    Probate record Roderic O'Connor

    Died 1860 in Fingal, Tasmania, aged 76. Will registered in Tasmania in 1860.

    Libraries Tasmania, Tasmanian Names Index (CC BY 4.0)

Showing 3 of 6,081 records for O'Connor in Australia.

Counts: Public Record Office Victoria (CC BY 4.0) · Queensland State Archives (CC BY 4.0) · Libraries Tasmania, Tasmanian Names Index (CC BY 4.0) · Museums of History NSW – State Archives Collection (CC BY) · State Library of Western Australia (CC BY 4.0) · ACT Government, Transport Canberra and City Services (CC BY 4.0) · National Library of Scotland, War Office Weekly Casualty Lists (public domain) · City of Ballarat, Avenue of Honour Plaques (CC BY 3.0 AU). Example pages, not the records of the people shown: Prison-ship in Portsmouth Harbour, with the convicts going on board, etching by Edward William Cooke, 1829, Royal Museums Greenwich (public domain); Petition to the probate court, St. Louis, 1848, Missouri Historical Society (public domain).

Canada518 records

518 records of the O'Connor name in Canada
  • Nova Scotia Archives name indexes 316
  • Mountain View Cemetery, Vancouver 61
  • Other Canadian records 141
  1. A page of the Berlin civil register, 1880
    Example: civil register, 1880
    Civil record Wilmot O'Connor

    Killed in 1939 at the Dominion No. 12 mine, Nova Scotia.

    Nova Scotia Archives. Contains information licensed under the Open Government Licence - Nova Scotia.
  2. A passenger manifest of the S.S. St. Paul, arriving at New York in 1903
    Example: passenger manifest, 1903
    Passenger record Mary O'Connor

    Came to Ontario in 1882 aboard the Circassian, landing at Quebec, bound for Peterborough, Ontario; Irish.

    Archives of Ontario. Contains information licensed under the Open Government Licence – Ontario.
  3. Fairview Lawn Cemetery in Halifax, Nova Scotia
    Example: Canadian cemetery
    Burial record Etta Emily O'Connor

    Buried in 1984 at St. Mary's Cemetery, Calgary, Alberta, aged 78.

    City of Calgary. Contains information licensed under the Open Government Licence – City of Calgary.

Showing 3 of 518 records for O'Connor in Canada.

Counts: Nova Scotia Archives. Contains information licensed under the Open Government Licence - Nova Scotia. · City of Vancouver. Contains information licensed under the Open Government Licence – Vancouver. · Veterans Affairs Canada. Contains information licensed under the Open Government Licence - Canada. · City of Calgary. Contains information licensed under the Open Government Licence – City of Calgary. · City of Niagara Falls. Contains information licensed under the Open Government Licence – Niagara Falls. · Archives of Ontario. Contains information licensed under the Open Government Licence – Ontario. · National Library of Scotland, War Office Weekly Casualty Lists (public domain) · City of Winnipeg. Contains information licensed under the Open Government Licence – Winnipeg. · Halifax Regional Municipality. Contains information licenced under the Open Government Licence—Halifax. Example pages, not the records of the people shown: Civil register, Berlin, 1880, Landesarchiv Berlin (CC0); Passenger manifest of the S.S. St. Paul, New York, 1903 (public domain); Fairview Lawn Cemetery, Halifax, photo by Edgar El (CC BY 3.0).

New Zealand258 records

258 records of the O'Connor name in New Zealand
  • Christchurch City cemetery records 203
  • Marlborough District cemetery records 27
  • Other New Zealand records 28
  1. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record Mary Agnes O'Connor

    Died 1944, aged 49; buried at Bromley Cemetery, Christchurch, Canterbury.

    Christchurch City Council (CC BY 4.0)
  2. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record Hannah Maria O'Connor

    Died 1902, aged 38; buried at Omaka Cemetery, Marlborough.

    Marlborough District Council (CC BY 4.0)
  3. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record Maria O'Connor

    Buried in 1878 at Tararu Cemetery, Thames-Coromandel District, Waikato, aged 33.

    Thames-Coromandel District Council (CC BY 4.0)

Showing 3 of 258 records for O'Connor in New Zealand.

Counts: Christchurch City Council (CC BY 4.0) · Marlborough District Council (CC BY 4.0) · Waimakariri District Council (CC BY 4.0) · Thames-Coromandel District Council (CC BY 4.0) · National Library of Scotland, War Office Weekly Casualty Lists (public domain) · Canterbury Maps (Environment Canterbury), Timaru and Mackenzie District Councils (CC BY 3.0 NZ). Example pages, not the records of the people shown: Burial register of Newtown, Montgomeryshire, 1858, National Library of Wales (CC0).

Ireland93 records

93 records of the O'Connor name in Ireland County Galway graveyard records
  1. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record John Joe O Connor

    Died 1976, aged 72; buried at Ballygar, Co. Galway.

    Galway County Council (CC BY 4.0)
  2. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record Honour O'Connor

    Died 1925, aged 71; buried at Kilcummin, Co. Galway.

    Galway County Council (CC BY 4.0)
  3. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record Anthony O'Connor

    Died 1965, aged 75; buried at Kilgevrin/Liskeavy, Co. Galway.

    Galway County Council (CC BY 4.0)

Showing 3 of 93 records for O'Connor in Ireland.

Counts: Galway County Council (CC BY 4.0). Example pages, not the records of the people shown: Burial register of Newtown, Montgomeryshire, 1858, National Library of Wales (CC0).

United Kingdom83 records

83 records of the O'Connor name in the United Kingdom
  • War Office casualty lists, 1917–1919, among the dead 51
  • Stirling Council burial records 26
  • Other British records 6
  1. A First World War roll of honour of the staff of C. & E. Morton Ltd
    Example: roll of honour, 1914–1919
    War record Nora O'Connor

    Born 1896 at Chipping Norton. Served in the First World War. Named in the University of Aberdeen roll of service in the Great War, 1914-1919.

    National Library of Scotland, Rolls of Honour (public domain)
  2. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record Michael O'Connor

    Died 2001, aged 70; buried at St Thomas Cemetery, Stirling, Scotland.

    Stirling Council. Contains public sector information licensed under the Open Government Licence v3.0.
  3. A page of the burial register of Newtown, Wales, 1858
    Example: burial register, 1858
    Burial record Mary O'Connor

    Buried in 1828 at St James's burial ground, Euston, London, aged 40.

    MOLA and HS2, St James's burial ground data. Contains public sector information licensed under the Open Government Licence v3.0.

Showing 3 of 83 records for O'Connor in the United Kingdom.

Counts: National Library of Scotland, War Office Weekly Casualty Lists (public domain) · Stirling Council. Contains public sector information licensed under the Open Government Licence v3.0. · MOLA and HS2, St James's burial ground data. Contains public sector information licensed under the Open Government Licence v3.0. · National Library of Scotland, Rolls of Honour (public domain) · National Library of Wales, Wills Index Cards (CC0). Example pages, not the records of the people shown: C. & E. Morton Ltd roll of honour, 1914–1919, photo by Adrian S Pye via Geograph (CC BY-SA 2.0); Burial register of Newtown, Montgomeryshire, 1858, National Library of Wales (CC0).

France16 records

16 records of the O'Connor name in France France's national death register, 1970–2001
  1. A page of the death register of Nice, 1930
    Example: French death register, 1930
    Death record Stefen O'Connor

    Born 1969 in the United States; died 1990 in Ramatuelle (Var).

    Insee, Fichier des personnes décédées (Licence Ouverte)
  2. A page of the death register of Nice, 1930
    Example: French death register, 1930
    Death record Anne Marie Eleonore O'Connor

    Born 1910 in Paris; died 2000 in Neuilly-sur-Seine (Hauts-de-Seine).

    Insee, Fichier des personnes décédées (Licence Ouverte)

Showing 2 of 16 records for O'Connor in France.

Counts: Insee, Fichier des personnes décédées (Licence Ouverte). Example pages, not the records of the people shown: Death register of Nice, 1930, Archives départementales des Alpes-Maritimes (public domain).

Netherlands10 records

10 records of the O'Connor name in the Netherlands Dutch population registers
  1. A page of the 1910 United States census, Milwaukee
    Example: U.S. census, 1910
    Population register James O'Connor

    In the population register of Gourock (Gb); student, born 1907 in Gourock (Gb).

    Open Archives, West Brabants Archief (CC BY 4.0)
  2. A page of the 1910 United States census, Milwaukee
    Example: U.S. census, 1910
    Population register Bridget O Connor

    In the population register of Amsterdam; born 1796 in Ireland.

    Open Archives, Stadsarchief Amsterdam (CC BY 4.0)

Showing 2 of 10 records for O'Connor in the Netherlands.

Counts: Open Archives (CC BY 4.0). Example pages, not the records of the people shown: U.S. census of 1910, Milwaukee (public domain).

Nearby in the index

Surnames next to O'Connor.

When the index is not enough

This page says where O'Connor is.
A volume says what happened to it.

Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.

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