O'sulavan Family History

You can see how O'sulavan families moved over time by selecting different census years. The O'sulavan family name was found in the USA in 1880. In 1880 there were 6 O'sulavan families living in Illinois. This was about 86% of all the recorded O'sulavan's in USA. Illinois had the highest population of O'sulavan families in 1880.

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