Duffenback Family History

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

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