Cosir Family History

You can see how Cosir families moved over time by selecting different census years. The Cosir family name was found in the USA in 1920. In 1920 there was 1 Cosir family living in New York. This was 100% of all the recorded Cosir's in USA. New York had the highest population of Cosir families in 1920.

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