Gannaghan Family History

You can see how Gannaghan families moved over time by selecting different census years. The Gannaghan family name was found in the USA in 1880. In 1880 there were 5 Gannaghan families living in Pennsylvania. This was 100% of all the recorded Gannaghan's in USA. Pennsylvania had the highest population of Gannaghan families in 1880.

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