Gronczykowski Family History

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

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