Slefanski Family History

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

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