Origins of the Brennan surname

About the Brennans

We have a total of 103796 records for people with the last name Brennan.

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    Delve deeper into the Brennan family's history

    OrkneyShetlandHighlandsWestern IslesGrampianTaysideCentralStrathclydeFifeLothianBordersDumfriesNorth East 478North West 222Isle of Man 7Yorkshire 523East Midlands 40West Midlands 179East 99London 1780South East 177South West 134South Wales 18Mid Wales 12West WalesNorth Wales 6Republic of IrelandNorthern Ireland

    In 1921, most Brennans lived in london

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

    71,000 Brennan Travel & migration records
    32,000 Brennans found in all Census records

    Interesting facts about Brennan

    How common is your surname?

    767th most common surname in the UK

    We have for the Brennan surname. The oldest one dates back to 1820.

    Who were Brennans most likely to marry?

    Our tell us which families married Brennans.

    What are the most common Brennan first names?

    John

    James

    Mary

    Margaret

    Our tell us the names of Brennan 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 Brennans

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

    Common female occupations for Brennans in 1921

    Cotton Weaver

    96

    Dressmaker

    95

    Laundress

    82

    Domestic Servant

    78

    Charwoman

    71

    Common male occupations for Brennans in 1921

    General Labourer

    220

    Dock Labourer

    150

    Coal Miner

    149

    Coal Miner Hewer

    113

    Semiskilled Chauffeurs And Drivers

    96

    We found over 86,000 family trees with the Brennan surname

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

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