Derfek Family History

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

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