Janczewski Family History

You can see how Janczewski families moved over time by selecting different census years. The Janczewski family name was found in the USA in 1920. In 1920 there were 8 Janczewski families living in New York. This was about 20% of all the recorded Janczewski's in USA. New York had the highest population of Janczewski families in 1920.

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