O'brein Family History

You can see how O'brein families moved over time by selecting different census years. The O'brein family name was found in the USA, the UK, and Scotland between 1880 and 1920. The most O'brein families were found in USA in 1880. In 1891 there was 1 O'brein family living in Monmouthshire. This was 100% of all the recorded O'brein's in United Kingdom. Monmouthshire had the highest population of O'brein families in 1891.

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