Sefczek Family History

You can see how Sefczek families moved over time by selecting different census years. The Sefczek family name was found in the USA in 1920. In 1920 there were 2 Sefczek families living in Illinois. This was 100% of all the recorded Sefczek's in USA. Illinois had the highest population of Sefczek families in 1920.

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