Gronczniak Family History

You can see how Gronczniak families moved over time by selecting different census years. The Gronczniak family name was found in the USA in 1920. In 1920 there were 4 Gronczniak families living in New York. This was 100% of all the recorded Gronczniak's in USA. New York had the highest population of Gronczniak families in 1920.

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