Harthoorn Family History

You can see how Harthoorn families moved over time by selecting different census years. The Harthoorn family name was found in the USA in 1920. In 1920 there was 1 Harthoorn family living in Iowa. This was about 50% of all the recorded Harthoorn's in USA. Iowa and 1 other state had the highest population of Harthoorn families in 1920.

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