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Oneil Family History

Oneil Surname Meaning

Irish (Mayo Tipperary): variant of O'Neill.

Source: Dictionary of American Family Names 2nd edition, 2022


Similar surnames: 

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Hint: Try searching for a relative alive in 1940.

Where is the Oneil family from?

You can see how Oneil families moved over time by selecting different census years. The Oneil family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Oneil families were found in USA in 1920. In 1891 there were 748 Oneil families living in Lancashire. This was about 35% of all the recorded Oneil's in United Kingdom. Lancashire had the highest population of Oneil families in 1891.
Use census records and voter lists to see where families with the Oneil surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
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What did your Oneil ancestors do for a living?

In 1939, General Labourer and Unpaid Domestic Duties were the top reported jobs for men and women in the United Kingdom named Oneil. 55% of Oneil men worked as a General Labourer and 81% of Oneil women worked as an Unpaid Domestic Duties. Some less common occupations for Americans named Oneil were Property Repairer and Housekeeper.

View Census Data for Oneil | Data not to scale

*We display top occupations by gender to maintain their historical accuracy during times when men and women often performed different jobs.

Top Male Occupations In 1939

  • General Labourer
    55%
  • Builders Labourer
    21%
  • Colliery Hewer
    9%
  • Property Repairer
    9%

Top Female Occupations In 1939

  • Unpaid Domestic Duties
    81%
  • Unpaid Domestic Duti
    5%
  • Domestic Duties
    5%
  • Housekeeper
    4%

What Oneil family records will you find?

Census Records

There are 282,000 census records available for the last name Oneil. Like a window into their day-to-day life, Oneil census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Oneil

Passenger Lists

There are 41,000 immigration records available for the last name Oneil. Passenger lists are your ticket to knowing when your ancestors arrived in the UK, and how they made the journey - from the ship name to ports of arrival and departure.

View all Oneil immigration records

Draft Cards

There are 50,000 military records available for the last name Oneil. For the veterans among your Oneil ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Oneil military records

You've only scratched the surface of Oneil family history

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What is the average Oneil lifespan?

Between 1943 and 2004, in the United States, Oneil life expectancy was at its lowest point in 1943, and highest in 2004. The average life expectancy for Oneil in 1943 was 22, and 78 in 2004.

View Social Security Death Index (SSDI) for Oneil

An unusually short lifespan might indicate that your Oneil ancestors lived in harsh conditions. A short lifespan might also indicate health problems that were once prevalent in your family. The SSDI is a searchable database of more than 70 million names. You can find birthdates, death dates, addresses and more.

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