Olnhansen Family History

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

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