Trephonoff Family History

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

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