O'halloran Family History

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O'halloran Name Meaning

Irish: Anglicized form of Gaelic Ó hAllmhuráin ‘descendant of Allmhurán’ (see Halloran).

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

Similar surnames: Halloran, O'fallon, O'callahan, O'hanlon, O'hagan, Halligan, Hallahan

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O'halloran Family Origin

Where is the O'halloran family from?

O'halloran Family Occupations

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

In 1881, a less common occupation for the O'halloran family was Clothier. Moulder, Boiler Maker and Clerk 1st Class Customs were the top 3 reported jobs worked by O'halloran. The most common O'halloran occupation in the UK was Moulder. 13% of O'halloran's were Moulders.

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

  • Moulder

  • Boiler Maker

  • Clerk 1st Class Customs

  • Clothier


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

O'halloran Historical Records

What O'halloran family records will you find?

Census Record

There are 33,000 census records available for the last name O'halloran. Like a window into their day-to-day life, O'halloran census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search 1891 UK census records for O'halloran

Passenger List

There are 5,000 immigration records available for the last name O'halloran. 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'halloran immigration records

Draft Card

There are 3,000 military records available for the last name O'halloran. For the veterans among your O'halloran ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'halloran military records

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

O'halloran Life Expectancy

What is the average O'halloran lifespan?

Between 1991 and 2003, in the United States, O'halloran life expectancy was at its lowest point in 2003, and highest in 1997. The average life expectancy for O'halloran in 1991 was 81, and 56 in 2003.

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

An unusually short lifespan might indicate that your O'halloran 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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