Onillen Family History

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

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