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O'regan Family History

O'regan Surname 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


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Where is the O'regan family from?

You can see how O'regan families moved over time by selecting different census years. The O'regan family name was found in the USA, and Scotland between 1851 and 1920. The most O'regan families were found in USA in 1880. In 1851 there was 1 O'regan family living in Lanarkshire. This was 100% of all the recorded O'regan's in Scotland. Lanarkshire had the highest population of O'regan families in 1851.
Use census records and voter lists to see where families with the O'regan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
  • 1851
  • 1891
  • 1901
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What O'regan family records will you find?

Census Records

There are 19,000 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.

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Passenger Lists

There are 4,000 immigration records available for the last name O'regan. 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 2,000 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.

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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.

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