Groncio Family History

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

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