Onillan Family History

You can see how Onillan families moved over time by selecting different census years. The Onillan family name was found in the USA in 1920. In 1920 there was 1 Onillan family living in Hawaii. This was 100% of all the recorded Onillan's in USA. Hawaii had the highest population of Onillan families in 1920.

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