O' brian Family History

You can see how O' brian families moved over time by selecting different census years. The O' brian family name was found in the USA in 1880. In 1880 there were 5 O' brian families living in Pennsylvania. This was about 63% of all the recorded O' brian's in USA. Pennsylvania had the highest population of O' brian families in 1880.

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