O'callihan Family History

You can see how O'callihan families moved over time by selecting different census years. The O'callihan family name was found in the USA in 1880. In 1880 there were 7 O'callihan families living in Ohio. This was about 70% of all the recorded O'callihan's in USA. Ohio had the highest population of O'callihan families in 1880.

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