Threfs Family History

You can see how Threfs families moved over time by selecting different census years. The Threfs family name was found in the USA in 1880. In 1880 there were 3 Threfs families living in Illinois. This was 100% of all the recorded Threfs's in USA. Illinois had the highest population of Threfs families in 1880.

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