Trethogan Family History

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

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