Trefftz Family History

You can see how Trefftz families moved over time by selecting different census years. The Trefftz family name was found in the USA between 1840 and 1920. The most Trefftz families were found in and USA in 1840. In 1840 there was 1 Trefftz family living in Pennsylvania. This was 100% of all the recorded Trefftz's in USA. Pennsylvania had the highest population of Trefftz families in 1840.

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