Sleffen Family History

You can see how Sleffen families moved over time by selecting different census years. The Sleffen family name was found in the USA between 1880 and 1920. The most Sleffen families were found in USA in 1920. In 1880 there was 1 Sleffen family living in Illinois. This was 100% of all the recorded Sleffen's in USA. Illinois had the highest population of Sleffen families in 1880.

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