Olhasen Family History

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

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