Theeroff Family History

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

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