O'sullavon Family History

You can see how O'sullavon families moved over time by selecting different census years. The O'sullavon family name was found in the USA in 1880. In 1880 there were 5 O'sullavon families living in Connecticut. This was 100% of all the recorded O'sullavon's in USA. Connecticut had the highest population of O'sullavon families in 1880.

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