Theless Family History

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

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