Thennian Family History

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

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