Koscianski Family History

You can see how Koscianski families moved over time by selecting different census years. The Koscianski family name was found in the USA in 1920. In 1920 there were 3 Koscianski families living in Minnesota. This was about 25% of all the recorded Koscianski's in USA. Minnesota and 1 other state had the highest population of Koscianski families in 1920.

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