Trefferth Family History

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

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