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O'mahony Family History

O'mahony Surname Meaning

Irish: variant spelling of O’Mahoney.

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


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Where is the O'mahony family from?

You can see how O'mahony families moved over time by selecting different census years. The O'mahony family name was found in the USA, and Scotland between 1880 and 1920. The most O'mahony families were found in USA in 1880. In 1881 there was 1 O'mahony family living in Angus. This was about 50% of all the recorded O'mahony's in Scotland. Angus and 1 other county had the highest population of O'mahony families in 1881.
Use census records and voter lists to see where families with the O'mahony surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
  • 1881
  • 1891
  • 1901
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What O'mahony family records will you find?

Census Records

There are 8,000 census records available for the last name O'mahony. Like a window into their day-to-day life, O'mahony census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for O'mahony

Passenger Lists

There are 2,000 immigration records available for the last name O'mahony. 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 705 military records available for the last name O'mahony. For the veterans among your O'mahony ancestors, military collections provide insights into where and when they served, and even physical descriptions.

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What is the average O'mahony lifespan?

Average O'mahony life expectancy in 2000 was 86 years. This was higher than the general public life expectancy which was 75.

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

An unusually short lifespan might indicate that your O'mahony 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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