Trethain Family History

You can see how Trethain families moved over time by selecting different census years. The Trethain family name was found in the USA in 1880. In 1880 there were 3 Trethain families living in Wisconsin. This was about 75% of all the recorded Trethain's in USA. Wisconsin had the highest population of Trethain families in 1880.

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