Trethery Family History

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

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