Deffay Family History

You can see how Deffay families moved over time by selecting different census years. The Deffay family name was found in the USA in 1840. In 1840 there was 1 Deffay family living in New York. This was 100% of all the recorded Deffay's in USA. New York had the highest population of Deffay families in 1840.

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