Slaughnessy Family History

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

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