Origins of the Osullivan surname

About the Osullivans

We have a total of 33452 records for people with the last name Osullivan.

Find out more about your family in our records

    or try an advanced search
    Start free trial
    “
    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.
    SS
    Stuart
    1 of 3

    Start your family tree

    Trace your family back in time. Make new discoveries and see what other Findmypast family historians in our genealogy community have discovered about the Osullivans.

    Sign up to get started

    Delve deeper into the Osullivan family's history

    OrkneyShetlandHighlandsWestern IslesGrampianTaysideCentralStrathclydeFifeLothianBordersDumfriesNorth East 25North West 55Isle of ManYorkshire 52East Midlands 11West Midlands 26East 98London 595South East 219South West 313South Wales 58Mid Wales 5West Wales 2North Wales 3Republic of IrelandNorthern Ireland

    In 1921, most Osullivans lived in london

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

    24,000 Osullivan Travel & migration records
    8,800 Osullivans found in all Census records

    Interesting facts about Osullivan

    How common is your surname?

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

    We have for the Osullivan surname. The oldest one dates back to 1849.

    Who were Osullivans most likely to marry?

    O Sullivans

    &

    Our tell us which families married Osullivans.

    What are the most common Osullivan first names?

    John

    Patrick

    Mary

    Margaret

    Our tell us the names of Osullivan 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 Osullivans

    Men and women often performed different types of jobs, so these are displayed by gender to maintain their historical accuracy.

    Commmon female occupations for Osullivans in 1921

    Dressmaker

    27

    General Servant Domestic

    18

    Cook Domestic

    17

    Teacher

    16

    Tailoress

    14

    Commmon male occupations for Osullivans in 1921

    Porter

    42

    General Labourer

    32

    Tailor

    28

    Clerk

    25

    Milesman

    25

    We found over 26,000 family trees with the Osullivan surname

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

    Search for a relative in our family trees

    Learn more about the lives of Osullivan family members

    How rare is your surname?

    Have you ever wondered if your family na...

    The rise and fall of these disappearing British surnames

    Could your surname be on the brink of di...

    English surnames explained: The seven types of last names you should know

    Ever wondered where our last names come...

    How to find the maiden names of women in your family tree

    Try these simple tricks to pinpoint your...

    4 simple steps to starting your family history journey

    Starting your family history journey is...

    Share your discoveries

    Share to WhatsApp

    Share to Facebook

    Look for a different surname