De cosmo Family History

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

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