Koscielski Family History

You can see how Koscielski families moved over time by selecting different census years. The Koscielski family name was found in the USA, and Canada between 1880 and 1920. The most Koscielski families were found in USA in 1920. In 1911 there was 1 Koscielski family living in Ontario. This was 100% of all the recorded Koscielski's in Canada. Ontario had the highest population of Koscielski families in 1911.

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