Origins of the O'Sullivan surname
About the O'Sullivans
We have a total of 34573 records for people with the last name O'Sullivan.
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I’ve managed to trace back to the mid-1500s! 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'sullivan
How common is your surname?
You have a rare surname! It's not in the top 1000 UK surnames!
Who were O'sullivans most likely to marry?
O Sullivans
&
What are the most common O'sullivan first names?
John
Patrick
Mary
Margaret
Census records provide incredible detail on names, ages, marital statuses, occupations and more.
Common jobs for O'sullivans
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'sullivans in 1921
Dressmaker
27
General Servant Domestic
18
Cook Domestic
17
Teacher
16
Tailoress
14
Common male occupations for O'sullivans in 1921
Porter
42
General Labourer
32
Tailor
29
Clerk
25
Milesman
25
