Koslawy Family History

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

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