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O%27sullivan Family History

O%27sullivan Name Meaning

Irish (Munster): Anglicized form of Gaelic Ó Súileabháin ‘descendant of Súileabháin’ (see Sullivan).

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


Similar surnames: Sullivan, O'halloran, Cullinan, Culligan, Hallinan, Halligan

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Where is the O%27sullivan family from?

You can see how O%27sullivan families moved over time by selecting different census years. The O%27sullivan family name was found in the USA, the UK, Canada, and Scotland between 1861 and 1920. The most O%27sullivan families were found in USA in 1880. In 1880 there were 332 O%27sullivan families living in New York. This was about 32% of all the recorded O%27sullivan's in USA. New York had the highest population of O%27sullivan families in 1880.
Use census records and voter lists to see where families with the O%27sullivan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your O%27sullivan ancestors do for a living?

Census records can tell you a lot of little known facts about your O%27sullivan ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

What O%27sullivan family records will you find?

Census Records

There are 139,000 census records available for the last name O%27sullivan. Like a window into their day-to-day life, O%27sullivan 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 42,000 immigration records available for the last name O%27sullivan. 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 14,000 military records available for the last name O%27sullivan. For the veterans among your O%27sullivan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

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What is the average O%27sullivan lifespan?

Between 1992 and 2004, in the United States, O%27sullivan life expectancy was at its lowest point in 1998, and highest in 1997. The average life expectancy for O%27sullivan in 1992 was 23, and 68 in 2004.

View Social Security Death Index (SSDI) for O%27sullivan

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