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Where is the O'sullivan family from?
You can see how O'sullivan families moved over time by selecting different census years. The O'sullivan family name was found in the USA, the UK, Canada, and Scotland between 1861 and 1920. The most O'sullivan families were found in USA in 1880. In 1911 there was 1 O'sullivan family living in British Columbia. This was about 50% of all the recorded O'sullivan's in Canada. British Columbia and 1 other province had the highest population of O'sullivan families in 1911.
Use census records and voter lists to see where families with the O'sullivan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
What did your O'sullivan ancestors do for a living?
Census records can tell you a lot of little known facts about your O'sullivan ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.
What O'sullivan family records will you find?
You've only scratched the surface of O'sullivan family history
Between 1992 and 2004, in the United States, O'sullivan life expectancy was at its lowest point in 1998, and highest in 1997. The average life expectancy for O'sullivan in 1992 was 23, and 68 in 2004.