O'mahoney Family History

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O'mahoney Name Meaning

Irish: Anglicized form of Gaelic Ó Mathghamhna ‘descendant of Mathghamhain’ (see Mahoney). There are two families of this name, in Cork and Ulster, but the Ulster family name was usually Anglicized as McMahon.

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

Similar surnames: Mahoney, Mcmahon, Mahon, Malone, O'kane, Maloney, Mooney, Moroney

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O'mahoney Family Origin

Where is the O'mahoney family from?

O'mahoney Family Occupations

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

In 1939, General Labourer and Unpaid Domestic Duties were the top reported jobs for men and women in the UK named O'mahoney. 7% of O'mahoney men worked as a General Labourer and 32% of O'mahoney women worked as an Unpaid Domestic Duties. Some less common occupations for Americans named O'mahoney were Carpenter joiner and Cook

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

Top Male Occupations in 1939

  • General Labourer
  • Builders Labourer
  • Carpenter
  • Carpenter joiner

Top Female Occupations in 1939

  • Unpaid Domestic Duties
  • Domestic Servant
  • Housemaid
  • Cook

*We display top occupations by gender to maintain their historical accuracy during times when men and women often performed different jobs.

O'mahoney Historical Records

What O'mahoney family records will you find?

Census Record

There are 7,000 census records available for the last name O'mahoney. Like a window into their day-to-day life, O'mahoney 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'mahoney

Passenger List

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

Draft Card

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

View all O'mahoney military records

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

O'mahoney Life Expectancy

What is the average O'mahoney lifespan?

Between 1992 and 1995, in the United States, O'mahoney life expectancy was at its lowest point in 1995, and highest in 1992. The average life expectancy for O'mahoney in 1992 was 85, and 61 in 1995.

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

An unusually short lifespan might indicate that your O'mahoney 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'mahoney Family Ancestors

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