Siellivan Family History

You can see how Siellivan families moved over time by selecting different census years. The Siellivan family name was found in the USA in 1920. In 1920 there was 1 Siellivan family living in California. This was about 50% of all the recorded Siellivan's in USA. California and 1 other state had the highest population of Siellivan families in 1920.

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