O'reilly Family History

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O'reilly Name Meaning

Irish: Anglicized form of Gaelic Ó Raghailligh ‘descendant of Raghailleach’, Old Irish Roghallach, a personal name of unexplained etymology. This is the name of a chieftain family in County Cavan, related to the O’Rourkes.

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


Similar surnames: Reilly, O'neill, O'kelly, O'kelley, Crilly, O'berry, Reidy, O'regan

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O'reilly Family Origin

Where is the O'reilly family from?

O'reilly Family Occupations

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

In 1880, a less common occupation for the O'reilly family was Tailor. Laborer, Farmer and Keeping House were the top 3 reported jobs worked by O'reilly. The most common O'reilly occupation in the USA was Laborer. 8% of O'reilly's were Laborers.

View Census data for O'reilly | Data not to scale

  • Laborer

    8%
  • Farmer

    7%
  • Keeping House

    5%
  • Tailor

    2%

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

O'reilly Historical Records

What O'reilly family records will you find?

Census Record

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

Search 1940's US census records for O'reilly

Passenger List

There are 642 immigration records available for the last name O'reilly. Passenger lists are your ticket to knowing when your ancestors arrived in the USA, and how they made the journey - from the ship name to ports of arrival and departure.

View all O'reilly immigration records

Draft Card

There are 1,000 military records available for the last name O'reilly. For the veterans among your O'reilly ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'reilly military records

You've only scratched the surface of O'reilly family history.

O'reilly Life Expectancy

What is the average O'reilly lifespan?

Between 1992 and 2004, in the United States, O'reilly life expectancy was at its lowest point in 1997, and highest in 1998. The average life expectancy for O'reilly in 1992 was 60, and 51 in 2004.

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

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

Famous O'reilly Family

Is anyone famous hiding in your tree?

Nikola Tesla1856 - 1943 (86)
Frank Lloyd Wright1867 - 1959 (91)
Amelia Earhart1897 - 1939 (41)
Mark Twain1835 - 1910 (74)
Victor Hugo1802 - 1885 (83)
Albert Einstein1879 - 1955 (76)
John Philip Sousa1854 - 1932 (77)
Abraham Lincoln1809 - 1865 (56)
Nikola Tesla1856 - 1943 (86)
Frank Lloyd Wright1867 - 1959 (91)
Amelia Earhart1897 - 1939 (41)
Mark Twain1835 - 1910 (74)
Victor Hugo1802 - 1885 (83)
Albert Einstein1879 - 1955 (76)
John Philip Sousa1854 - 1932 (77)
Abraham Lincoln1809 - 1865 (56)
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