Origins of the Ocallaghan surname

About the Ocallaghans

We have a total of 10462 records for people with the last name Ocallaghan.

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
    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 Ocallaghans.

    Sign up to get started

    Delve deeper into the Ocallaghan 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 Ocallaghans lived in london

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

    6,500 Ocallaghan Travel & migration records
    3,800 Ocallaghans found in all Census records

    Interesting facts about Ocallaghan

    How common is your surname?

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

    We have for the Ocallaghan surname. The oldest one dates back to 1850.

    Who were Ocallaghans most likely to marry?

    O Callaghans

    &

    Our tell us which families married Ocallaghans.

    What are the most common Ocallaghan first names?

    John

    Patrick

    Mary

    Margaret

    Our tell us the names of Ocallaghan 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 Ocallaghans

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

    Commmon female occupations for Ocallaghans in 1921

    Living On Own Means

    16

    Dressmaker

    11

    Laundress

    9

    Typist

    9

    Private Means

    8

    Commmon male occupations for Ocallaghans in 1921

    General Labourer

    14

    Clerk

    12

    Surgeon

    11

    Porter

    9

    Tailor

    9

    We found over 9,500 family trees with the Ocallaghan surname

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

    Search for a relative in our family trees

    Learn more about the lives of Ocallaghan 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