Ocallahans Family History

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

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