Dennhan Family History

You can see how Dennhan families moved over time by selecting different census years. The Dennhan family name was found in the USA in 1880. In 1880 there were 3 Dennhan families living in Illinois. This was 100% of all the recorded Dennhan's in USA. Illinois had the highest population of Dennhan families in 1880.

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