Ocallaghn Family History

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

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