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O'neil Family History

O'neil Surname Meaning

Irish: variant of O’Neill.

Source: Dictionary of American Family Names ©2013, Oxford University Press


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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, the UK, Canada, and Scotland between 1841 and 1920. The most O'neil families were found in USA in 1880. In 1891 there were 15 O'neil families living in Lancashire. This was about 21% of all the recorded O'neil's in United Kingdom. Lancashire and 1 other county had the highest population of O'neil families in 1891.
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.
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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.

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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.

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What is the average O'neil lifespan?

Between 1992 and 2004, in the United States, O'neil life expectancy was at its lowest point in 1996, and highest in 2003. The average life expectancy for O'neil in 1992 was 61, and 45 in 2004.

View Social Security Death Index (SSDI) for O'neil

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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