O sullivan Family History

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, Canada, and Scotland between 1851 and 1920. The most O sullivan families were found in USA in 1880. In 1911 there were 10 O sullivan families living in Nova Scotia. This was about 71% of all the recorded O sullivan's in Canada. Nova Scotia 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.