Oneilby Family History

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

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