Oleffson Family History

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

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