Berthelsen Family History

You can see how Berthelsen families moved over time by selecting different census years. The Berthelsen family name was found in the USA, the UK, and Scotland between 1871 and 1920. The most Berthelsen families were found in USA in 1920. In 1920 there were 8 Berthelsen families living in Illinois. This was about 20% of all the recorded Berthelsen's in USA. Illinois had the highest population of Berthelsen families in 1920.

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