You can see how Deffit families moved over time by selecting different census years. The Deffit family name was found in the USA in 1880. In 1880 there were 2 Deffit families living in Pennsylvania. This was 100% of all the recorded Deffit's in USA. Pennsylvania had the highest population of Deffit families in 1880.

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