Treffy Family History

You can see how Treffy families moved over time by selecting different census years. The Treffy family name was found in the USA, and Scotland between 1871 and 1920. The most Treffy families were found in USA in 1920. In 1920 there was 1 Treffy family living in Illinois. This was about 33% of all the recorded Treffy's in USA. Illinois and 2 other states had the highest population of Treffy families in 1920.

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