Trefethenn Family History

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

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