Onsom Family History

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

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