Theunison Family History

You can see how Theunison families moved over time by selecting different census years. The Theunison family name was found in the USA in 1880. In 1880 there were 7 Theunison families living in Iowa. This was 100% of all the recorded Theunison's in USA. Iowa had the highest population of Theunison families in 1880.

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