Cosnio Family History

You can see how Cosnio families moved over time by selecting different census years. The Cosnio family name was found in the USA in 1880. In 1880 there were 2 Cosnio families living in New York. This was 100% of all the recorded Cosnio's in USA. New York had the highest population of Cosnio families in 1880.

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