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O'connor Family History

O'connor Surname 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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Where is the O'connor family from?

You can see how O'connor families moved over time by selecting different census years. The O'connor family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most O'connor families were found in USA in 1880. In 1840 there was 1 O'connor family living in Maryland. This was 100% of all the recorded O'connor's in USA. Maryland had the highest population of O'connor families in 1840.
Use census records and voter lists to see where families with the O'connor surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
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What did your O'connor ancestors do for a living?

Census records can tell you a lot of little known facts about your O'connor ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

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Census Records

There are 542,000 census records available for the last name O'connor. Like a window into their day-to-day life, O'connor census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

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Passenger Lists

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

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Draft Cards

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

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What is the average O'connor lifespan?

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

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