Skip to content
  • Start your family tree

Origins of the O'Neil surname

A collage of historical images including two family portraits and a postcard of people boarding a ship

About the O'Neils

We have a total number of 88964 records for people with the last name O'Neil.

Find out more about your family in our records

or try an advanced search

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 review
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 O'Neils.

Sign up to get started

Delve deeper into the O'Neil family's history

Where do most O'Neils live?

In 1921, most O'Neils 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'Neils

How common is your surname?

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

We have 34,200 records for the O'Neil surname. The oldest one dates back to 1810.

Who were O'Neils most likely to marry?

O'Neils

&

O Neils

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

What are the most common O'Neil first names?

  • John
  • James
  • Mary
  • Margaret

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

Common jobs for O'Neils

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'Neils in 1921
Hawker

189

Domestic Servant

142

Cotton Weaver

113

Mill Worker

95

Housekeeper

94

Common Male occupations for O'Neils in 1921
Coal Miner

491

General Labourer

376

Dock Labourer

156

Tailor

130

Hawker

117

An image of a census transcript and a picture of a dairy farmer holding two milk jugs

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

We found over 100,000 family trees with the O'Neil surname

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

Search for a relative in our family trees

Share your discoveries

Start your family history journey

Start free trial

Start free trial