Trefethan Family History

You can see how Trefethan families moved over time by selecting different census years. The Trefethan family name was found in the USA, and the UK between 1880 and 1920. The most Trefethan families were found in USA in 1880. In 1880 there were 6 Trefethan families living in Kansas. This was about 35% of all the recorded Trefethan's in USA. Kansas and 1 other state had the highest population of Trefethan families in 1880.

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