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O'reilley Family History

O'reilley Name 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, O'kelley, O'riley, Reilley, O'malley, Reilly, Reiley

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Where is the O'reilley family from?

You can see how O'reilley families moved over time by selecting different census years. The O'reilley family name was found in the USA, and Scotland between 1861 and 1920. The most O'reilley families were found in USA in 1880. In 1880 there were 27 O'reilley families living in Massachusetts. This was about 20% of all the recorded O'reilley's in USA. Massachusetts had the highest population of O'reilley families in 1880.
Use census records and voter lists to see where families with the O'reilley surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your O'reilley ancestors do for a living?

Census records can tell you a lot of little known facts about your O'reilley ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

What O'reilley family records will you find?

Census Records

There are 3,000 census records available for the last name O'reilley. Like a window into their day-to-day life, O'reilley census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search Canadian census records for O'reilley

Passenger Lists

There are 620 immigration records available for the last name O'reilley. Passenger lists are your ticket to knowing when your ancestors arrived in Canada, and how they made the journey - from the ship name to ports of arrival and departure.

View all O'reilley immigration records

Draft Cards

There are 489 military records available for the last name O'reilley. For the veterans among your O'reilley ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'reilley military records

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What is the average O'reilley lifespan?

Between 2000 and 2004, in the United States, O'reilley life expectancy was at its lowest point in 2004, and highest in 2000. The average life expectancy for O'reilley in 2000 was 94, and 45 in 2004.

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

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