Origins of the Dennehy surname

About the Dennehys

We have a total of 3434 records for people with the last name Dennehy.

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 Dennehys.

    Sign up to get started

    Delve deeper into the Dennehy family's history

    OrkneyShetlandHighlandsWestern IslesGrampianTaysideCentralStrathclydeFifeLothianBordersDumfriesNorth East 2North WestIsle of ManYorkshire 13East Midlands 1West Midlands 3East 1London 27South East 7South West 14South Wales 6Mid WalesWest WalesNorth WalesRepublic of IrelandNorthern Ireland

    In 1921, most Dennehys lived in london

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

    2,900 Dennehy Travel & migration records
    450 Dennehys found in all Census records

    Interesting facts about Dennehy

    How common is your surname?

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

    We have for the Dennehy surname. The oldest one dates back to 1880.

    Who were Dennehys most likely to marry?

    Our tell us which families married Dennehys.

    What are the most common Dennehy first names?

    John

    Patrick

    Mary

    Ellen

    Our tell us the names of Dennehy 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 Dennehys

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

    Commmon female occupations for Dennehys in 1921

    Governess

    2

    None

    2

    Assistant Teacher

    1

    Assists Laundress Washer

    1

    At School

    1

    Commmon male occupations for Dennehys in 1921

    General Labourer

    4

    Porter

    4

    Postman

    4

    Semiskilled Chauffeurs And Drivers

    4

    Bookkeepers And Cashiers

    3

    We found over 170,000 family trees with the Dennehy surname

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

    Search for a relative in our family trees

    Learn more about the lives of Dennehy 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