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O%27connor Family History

O%27connor Name Meaning

Irish (Derry, Connacht, Munster): Anglicized form of Gaelic Ó Conchobhair ‘descendant of Conchobhar’, a personal name which is said to have begun as Cú Chobhair, from cú ‘hound’ (genitive con) + cobhar ‘desiring’, i.e. ‘hound of desire’. Present-day bearers of the surname claim descent from a 10th-century king of Connacht of this name. In Irish legend, Conchobhar was a king of Ulster who lived at around the time of Christ and who adopted the youthful Cú Chulainn.

Source: Dictionary of American Family Names ©2013, Oxford University Press


Similar surnames: O'connell, Connor, O'bannon, Conroy, Connon, Mcconnon, Cranor

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You can see how O%27connor families moved over time by selecting different census years. The O%27connor family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most O%27connor families were found in USA in 1880. In 1911 there were 33 O%27connor families living in Ontario. This was about 66% of all the recorded O%27connor's in Canada. Ontario had the highest population of O%27connor families in 1911.
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Census records can tell you a lot of little known facts about your O%27connor ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

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Census Records

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Passenger Lists

There are 119,000 immigration records available for the last name O%27connor. Passenger lists are your ticket to knowing when your ancestors arrived in Canada, and how they made the journey - from the ship name to ports of arrival and departure.

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There are 102,000 military records available for the last name O%27connor. For the veterans among your O%27connor ancestors, military collections provide insights into where and when they served, and even physical descriptions.

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What is the average O%27connor lifespan?

Between 1986 and 2004, in the United States, O%27connor life expectancy was at its lowest point in 1992, and highest in 1999. The average life expectancy for O%27connor in 1986 was 63, and 58 in 2004.

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