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 1880, the most common O'mahoney occupation in the USA was Farmer. 13% of O'mahoney's were Farmers. A less common occupation for the O'mahoney family was Keeps Saloon. Farmer, Furniture Dealer and House Painter were the top 3 reported jobs worked by O'mahoney.

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

  • Farmer

    13%
  • Furniture Dealer

    13%
  • House Painter

    13%
  • Keeps Saloon

    13%

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

O'mahoney Historical Records

What O'mahoney family records will you find?

Census Record

There are 3,000 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 1940's US census records for O'mahoney

Passenger List

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

Is anyone famous hiding in your tree?

Victor Hugo1802 - 1885 (83)
Audrey Hepburn1929 - 1993 (63)
Nikola Tesla1856 - 1943 (86)
John Philip Sousa1854 - 1932 (77)
Mark Twain1835 - 1910 (74)
Abraham Lincoln1809 - 1865 (56)
Grace Kelly1929 - 1982 (52)
Ella Fitzgerald1918 - 1996 (78)
Victor Hugo1802 - 1885 (83)
Audrey Hepburn1929 - 1993 (63)
Nikola Tesla1856 - 1943 (86)
John Philip Sousa1854 - 1932 (77)
Mark Twain1835 - 1910 (74)
Abraham Lincoln1809 - 1865 (56)
Grace Kelly1929 - 1982 (52)
Ella Fitzgerald1918 - 1996 (78)
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