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Origins of the Oconnor surname

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About the Oconnors

We have a total number of 142437 records for people with the last name Oconnor.

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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 Oconnor family's history

Where do most Oconnors live?

In 1921, most Oconnors 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 Oconnors

How common is your surname?

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

We have 36,400 records for the Oconnor surname. The oldest one dates back to 1823.

Who were Oconnors most likely to marry?

O Connors



Our Marriage record sets tell us which families married Oconnors.

What are the most common Oconnor first names?

  • John
  • James
  • Mary
  • Margaret

Our birth record sets tell us the names of Oconnor family members

Common jobs for Oconnors

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

Common Female occupations for Oconnors in 1921




Domestic Servant




General Servant Domestic


Common Male occupations for Oconnors in 1921
General Labourer




Dock Labourer


Semiskilled Chauffeurs And Drivers




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

We found over 65,000 family trees with the Oconnor surname

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