O'calleghan Family History

You can see how O'calleghan families moved over time by selecting different census years. The O'calleghan family name was found in the USA in 1880. In 1880 there were 2 O'calleghan families living in Minnesota. This was 100% of all the recorded O'calleghan's in USA. Minnesota had the highest population of O'calleghan families in 1880.

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