Diernan Family History

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

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