Jancosko Family History

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

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