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O'reily Family History

O'reily 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: O'reilly, Reily, Reil, Reidy, Reilly, Reiley, O'kelly, O'neill

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

Hint: Try searching for a relative alive in 1940.

Where is the O'reily family from?

You can see how O'reily families moved over time by selecting different census years. The O'reily family name was found in the USA, and the UK between 1880 and 1920. The most O'reily families were found in USA in 1880. In 1891 there was 1 O'reily family living in Sussex. This was 100% of all the recorded O'reily's in United Kingdom. Sussex had the highest population of O'reily families in 1891.
Use census records and voter lists to see where families with the O'reily 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'reily family records will you find?

Census Records

There are 2,000 census records available for the last name O'reily. Like a window into their day-to-day life, O'reily 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'reily

Passenger Lists

There are 345 immigration records available for the last name O'reily. 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'reily immigration records

Draft Cards

There are 286 military records available for the last name O'reily. For the veterans among your O'reily ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'reily military records

You've only scratched the surface of O'reily family history

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What is the average O'reily lifespan?

An unusually short lifespan might indicate that your O'reily 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.

Social Security Death Index (SSDI) for O'reily

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