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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    Delve deeper into the O'Sullivan family's history

    OrkneyShetlandHighlandsWestern IslesGrampianTaysideCentralStrathclydeFifeLothianBordersDumfriesNorth East 25North West 56Isle of ManYorkshire 52East Midlands 11West Midlands 26East 98London 597South East 219South West 313South Wales 58Mid Wales 5West Wales 2North Wales 3Republic of IrelandNorthern Ireland

    In 1921, most O'Sullivans lived in london

    Census records trace your ancestors through each generation, so you can follow where your relatives lived through each decade.

    24,000 O'Sullivan Travel & migration records
    9,800 O'Sullivans found in all Census records

    Interesting facts about O'sullivan

    How common is your surname?

    You have a rare surname! It's not in the top 1000 UK surnames!

    We have for the O'sullivan surname. The oldest one dates back to 1849.

    Who were O'sullivans most likely to marry?

    O Sullivans

    &

    Our tell us which families married O'sullivans.

    What are the most common O'sullivan first names?

    John

    Patrick

    Mary

    Margaret

    Our tell us the names of O'sullivan family members
    Man with milk churns and census card collage
    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.

    Commmon female occupations for O'sullivans in 1921

    Dressmaker

    27

    General Servant Domestic

    18

    Cook Domestic

    17

    Teacher

    16

    Tailoress

    14

    Commmon male occupations for O'sullivans in 1921

    Porter

    42

    General Labourer

    32

    Tailor

    29

    Clerk

    25

    Milesman

    25

    We found over 28,000 family trees with the O'sullivan surname

    Trace your family back in time and see what other Findmypast family historians in our genealogy community have discovered about the O'sullivans.

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