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O-neil Family History

O-neil Surname Meaning

Historically, surnames evolved as a way to sort people into groups - by occupation, place of origin, clan affiliation, patronage, parentage, adoption, and even physical characteristics (like red hair). Many of the modern surnames in the dictionary can be traced back to Britain and Ireland.


Similar surnames: Mcneil, Neil, O'neil, Neal, Neill, Peil, Knell, Keil, Feil, Reil

Search for a relative to learn more about your family history.

Hint: Try searching for a relative alive in 1940.

Where is the O-neil family from?

You can see how O-neil families moved over time by selecting different census years. The O-neil family name was found in the USA, and Scotland between 1881 and 1920. The most O-neil families were found in and Scotland in 1881. In 1881 there was 1 O-neil family living in Dumbartonshire. This was about 50% of all the recorded O-neil's in Scotland. Dumbartonshire and 1 other county had the highest population of O-neil families in 1881.
Use census records and voter lists to see where families with the O-neil surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your O-neil ancestors do for a living?

In 1921, Farmers Son was the top reported job for people in the Canada named O-neil. 100% of O-neil men worked as a Farmers Son.

View Census Data for O-neil | 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.

Canada shown, England data unavailable

Top Male Occupations In 1921

  • Farmers Son
    100%

What O-neil family records will you find?

Census Records

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

Search UK census records for O-neil

Passenger Lists

There are 41,000 immigration records available for the last name O-neil. 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 O-neil immigration records

Draft Cards

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

View all O-neil military records

You've only scratched the surface of O-neil family history

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What is the average O-neil lifespan?

Between 1976 and 2004, in the United States, O-neil life expectancy was at its lowest point in 1979, and highest in 2003. The average life expectancy for O-neil in 1976 was 70, and 82 in 2004.

An unusually short lifespan might indicate that your O-neil 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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