Thennison Family History

You can see how Thennison families moved over time by selecting different census years. The Thennison family name was found in the USA in 1880. In 1880 there was 1 Thennison family living in Iowa. This was 100% of all the recorded Thennison's in USA. Iowa had the highest population of Thennison families in 1880.

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