Onneill Family History

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

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