O'sullevan Family History

You can see how O'sullevan families moved over time by selecting different census years. The O'sullevan family name was found in the USA between 1880 and 1920. The most O'sullevan families were found in USA in 1880. In 1880 there were 4 O'sullevan families living in California. This was about 40% of all the recorded O'sullevan's in USA. California had the highest population of O'sullevan families in 1880.

Use census records and voter lists to see where families with the O'sullevan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.