Cosumoff Family History

You can see how Cosumoff families moved over time by selecting different census years. The Cosumoff family name was found in the USA in 1920. In 1920 there were 2 Cosumoff families living in California. This was 100% of all the recorded Cosumoff's in USA. California had the highest population of Cosumoff families in 1920.

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