Onielly Family History

You can see how Onielly families moved over time by selecting different census years. The Onielly family name was found in the USA in 1880. In 1880 there was 1 Onielly family living in New York. This was 100% of all the recorded Onielly's in USA. New York had the highest population of Onielly families in 1880.

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