Origins of the O'Brian surname
About the O'Brians
We have a total of 24289 records for people with the last name O'Brian.
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I’ve managed to trace back to the mid-1700s! I can’t believe it! Utterly engrossing and I have uncovered some quite moving and heartbreaking stories attached to various ancestors. You don’t need any qualifications to start - just time patience, and some information.
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Stuart
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Interesting facts about O'brian
How common is your surname?
You have a rare surname! It's not in the top 1000 UK surnames!
We have for the O'brian surname. The oldest one dates back to 1821.
Who were O'brians most likely to marry?
Our tell us which families married O'brians.
What are the most common O'brian first names?
John
James
Mary
Margaret
Census records provide incredible detail on names, ages, marital statuses, occupations and more.
Common jobs for O'brians
Men and women often performed different types of jobs, so these are displayed by gender to maintain their historical accuracy.
Common female occupations for O'brians in 1921
Laundress
47
General Servant
45
Servant
45
Domestic Servant
44
None
41
Common male occupations for O'brians in 1921
Tailor
95
General Labourer
85
Coal Miner
54
Dock Labourer
43
Agricultural Labourer
31
