Onieil Family History

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

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