Trehannon Family History

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

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