Denff Family History

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

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