Grefthra Family History

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

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