Deffendorp Family History

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

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