Olonnoy Family History

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

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