Derefsky Family History

You can see how Derefsky families moved over time by selecting different census years. The Derefsky family name was found in the USA in 1920. In 1920 there was 1 Derefsky family living in Illinois. This was about 50% of all the recorded Derefsky's in USA. Illinois and 1 other state had the highest population of Derefsky families in 1920.

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