Diffenauer Family History

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

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