Trettia Family History

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

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