O'neis Family History

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

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