Cosaski Family History

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

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