Cosius Family History

You can see how Cosius families moved over time by selecting different census years. The Cosius family name was found in the USA in 1880. In 1880 there were 3 Cosius families living in New York. This was 100% of all the recorded Cosius's in USA. New York had the highest population of Cosius families in 1880.

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