Sethlefsen Family History

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

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