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O'halloran Family History

O'halloran Surname 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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Where is the O'halloran family from?

You can see how O'halloran families moved over time by selecting different census years. The O'halloran family name was found in the USA, Canada, and Scotland between 1871 and 1920. The most O'halloran families were found in USA in 1880. In 1871 there was 1 O'halloran family living in Aberdeenshire. This was 100% of all the recorded O'halloran's in Scotland. Aberdeenshire had the highest population of O'halloran families in 1871.
Use census records and voter lists to see where families with the O'halloran surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

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

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.

What O'halloran family records will you find?

Census Records

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 Australian census records for O'halloran

Passenger Lists

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 Australia, and how they made the journey - from the ship name to ports of arrival and departure.

View all O'halloran immigration records

Draft Cards

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

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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

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