O'regan Family History

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O'regan Name Meaning

Irish: Anglicized form of Gaelic Ó Riagain ‘descendant of Riagán’, a personal name of uncertain origin, perhaps akin to ríodhgach ‘impulsive’, ‘furious’. There are two families of this surname, in Meath and Munster; traditionally they both claim descent from a nephew of Brian Boru called Riagán (see Regan).

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


Similar surnames: Regan, O'ryan, O'dea, Cregan, O'dean, O'hagan, Drugan, Donegan

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O'regan Family Origin

Where is the O'regan family from?

O'regan Family Occupations

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

In 1880, the most common O'regan occupation in the USA was Farmer. 25% of O'regan's were Farmers. Farmer, Blacksmith and Bookkeeper were the top 3 reported jobs worked by O'regan. A less common occupation for the O'regan family was Clerk.

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

  • Farmer

    25%
  • Blacksmith

    5%
  • Bookkeeper

    5%
  • Clerk

    5%

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

O'regan Historical Records

What O'regan family records will you find?

Census Record

There are 3,000 census records available for the last name O'regan. Like a window into their day-to-day life, O'regan 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'regan

Passenger List

There are 642 immigration records available for the last name O'regan. 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'regan immigration records

Draft Card

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

View all O'regan military records

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

O'regan Life Expectancy

What is the average O'regan lifespan?

Average O'regan life expectancy in 1996 was 32 years. This was lower than the general public life expectancy which was 74.

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

An unusually short lifespan might indicate that your O'regan 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'regan Family

Is anyone famous hiding in your tree?

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Abraham Lincoln1809 - 1865 (56)
Albert Einstein1879 - 1955 (76)
Amelia Earhart1897 - 1939 (41)
Martin Luther King, Jr.1929 - 1968 (39)
Victor Hugo1802 - 1885 (83)
Audrey Hepburn1929 - 1993 (63)
Babe Ruth1895 - 1948 (53)
Grace Kelly1929 - 1982 (52)
Abraham Lincoln1809 - 1865 (56)
Albert Einstein1879 - 1955 (76)
Amelia Earhart1897 - 1939 (41)
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