Oonlon Family History

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

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