Thoelsen Family History

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

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