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Origins of the O'Hara surname

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About the O'Haras

We have a total number of 54228 records for people with the last name O'Hara.

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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.

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Delve deeper into the O'Hara family's history

Where do most O'Haras live?

In 1921, most O'Haras lived in London.

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

Interesting facts about O'Haras

How common is your surname?

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

We have 22,600 records for the O'Hara surname. The oldest one dates back to 1820.

Who were O'Haras most likely to marry?



O Haras

Our Marriage record sets tell us which families married O'Haras.

What are the most common O'Hara first names?

  • John
  • James
  • Mary
  • Margaret

Our birth record sets tell us the names of O'Hara family members

Common jobs for O'Haras

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'Haras in 1921
Cotton Weaver


Worsted Spinner






Domestic Servant


Common Male occupations for O'Haras in 1921
General Labourer


Coal Miner




Dock Labourer




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Census records provide incredible detail on names, ages, marital statuses, occupations and more.

We found over 41,000 family trees with the O'Hara surname

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