De cos Family History

You can see how De cos families moved over time by selecting different census years. The De cos family name was found in the USA in 1920. In 1920 there was 1 De cos family living in California. This was about 17% of all the recorded De cos's in USA. California and 5 other states had the highest population of De cos families in 1920.

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