Onelius Family History

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

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