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, the UK, Canada, and Scotland between 1841 and 1920. The most O'brian families were found in USA in 1880. In 1891 there was 1 O'brian family living in Devon. This was about 50% of all the recorded O'brian's in United Kingdom. Devon and 1 other county had the highest population of O'brian families in 1891.

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.