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

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