Skip to content

Origins of the O'Leary surname

About the O'Learys

We have a total of 46349 records for people with the last name O'Leary.

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-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.
    SS
    Stuart
    Trustpilot logoTrustpilot 5 stars
    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 O'Learys.

    Sign up to get started

    Delve deeper into the O'Leary family's history

    OrkneyShetlandHighlandsWestern IslesGrampianTaysideCentralStrathclydeFifeLothianBordersDumfriesNorth East 68North West 56Isle of Man 1Yorkshire 84East Midlands 6West Midlands 25East 64London 752South East 223South West 395South Wales 91Mid Wales 8West WalesNorth Wales 7Republic of IrelandNorthern Ireland

    In 1921, most O'Learys lived in london

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

    33,000 O'Leary Travel & migration records
    12,000 O'Learys found in all Census records

    Interesting facts about O'leary

    How common is your surname?

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

    We have for the O'leary surname. The oldest one dates back to 1840.

    Who were O'learys most likely to marry?

    Our tell us which families married O'learys.

    What are the most common O'leary first names?

    John

    Daniel

    Mary

    Margaret

    Our tell us the names of O'leary 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'learys

    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'learys in 1921

    Laundress

    58

    Dressmaker

    46

    Charwoman

    41

    Tailoress

    26

    None

    25

    Common male occupations for O'learys in 1921

    General Labourer

    89

    Tailor

    52

    Semiskilled Chauffeurs And Drivers

    47

    Porter

    44

    Dock Labourer

    37

    We found over 30,000 family trees with the O'leary surname

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

    Search for a relative in our family trees

    Learn more about the lives of O'leary 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