O'sulliivan Family History

You can see how O'sulliivan families moved over time by selecting different census years. The O'sulliivan family name was found in the USA in 1880. In 1880 there was 1 O'sulliivan family living in Massachusetts. This was 100% of all the recorded O'sulliivan's in USA. Massachusetts had the highest population of O'sulliivan families in 1880.

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