Olefsen Family History

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

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