Gwilfoil Family History

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

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