Origins of the O'Callaghan surname

About the O'Callaghans

We have a total of 10933 records for people with the last name O'Callaghan.

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    Delve deeper into the O'Callaghan family's history

    OrkneyShetlandHighlandsWestern IslesGrampianTaysideCentralStrathclydeFifeLothianBordersDumfriesNorth East 14North West 45Isle of Man 2Yorkshire 40East Midlands 11West Midlands 10East 14London 204South East 83South West 63South Wales 15Mid WalesWest WalesNorth Wales 2Republic of IrelandNorthern Ireland

    In 1921, most O'Callaghans lived in london

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

    6,600 O'Callaghan Travel & migration records
    4,300 O'Callaghans found in all Census records

    Interesting facts about O'callaghan

    How common is your surname?

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

    We have for the O'callaghan surname. The oldest one dates back to 1850.

    Who were O'callaghans most likely to marry?

    O Callaghans

    &

    Our tell us which families married O'callaghans.

    What are the most common O'callaghan first names?

    John

    Patrick

    Mary

    Margaret

    Our tell us the names of O'callaghan 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'callaghans

    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'callaghans in 1921

    Living On Own Means

    16

    Dressmaker

    11

    Laundress

    9

    Typist

    9

    Private Means

    8

    Commmon male occupations for O'callaghans in 1921

    General Labourer

    14

    Clerk

    12

    Surgeon

    11

    Tailor

    11

    Porter

    9

    We found over 9,800 family trees with the O'callaghan surname

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

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