Obrien Family History

You can see how Obrien families moved over time by selecting different census years. The Obrien family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Obrien families were found in USA in 1920. In 1891 there were 1,558 Obrien families living in Lancashire. This was about 38% of all the recorded Obrien's in United Kingdom. Lancashire had the highest population of Obrien families in 1891.

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