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Monahan Family History

Monahan Name Meaning

Irish: Anglicized form of Gaelic Ó Manacháin ‘descendant of Manachán’ a personal name representing a diminutive of manach ‘monk’. See also Monk . The Gaelic name is sometimes interpreted as if it were Ó Muineacháin ‘descendant of the little shrubbery’ and is sometimes translated into English as Thornton . The name is also found in Scotland.

Source: Dictionary of American Family Names 2nd edition, 2022


Similar surnames: Morahan, Mohan, Conahan, Colahan, Manahan, Mcgahan, Moynihan, Mahan

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Hint: Try searching for a relative alive in 1940.

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Where is the Monahan family from?

You can see how Monahan families moved over time by selecting different census years. The Monahan family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Monahan families were found in USA in 1880. In 1840 there were 9 Monahan families living in New York. This was about 35% of all the recorded Monahan's in USA. New York had the highest population of Monahan families in 1840.
Use census records and voter lists to see where families with the Monahan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Monahan ancestors do for a living?

In 1940, Laborer and Stenographer were the top reported jobs for men and women in the USA named Monahan. 13% of Monahan men worked as a Laborer and 9% of Monahan women worked as a Stenographer. Some less common occupations for Americans named Monahan were Farmer and Housewife. .

View Census Data for Monahan | Data not to scale

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

Top Male Occupations In 1940

  • Laborer
    13%
  • Salesman
    7%
  • Clerk
    6%
  • Farmer
    4%

Top Female Occupations In 1940

  • Stenographer
    9%
  • Teacher
    8%
  • Clerk
    7%
  • Housewife
    5%
Black & white image of two construction labourers

What Monahan family records will you find?

Census Records

There are 93,000 census records available for the last name Monahan. Like a window into their day-to-day life, Monahan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search US census records for Monahan

Passenger Lists

There are 15,000 immigration records available for the last name Monahan. 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.

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Draft Cards

There are 19,000 military records available for the last name Monahan. For the veterans among your Monahan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

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What is the average Monahan lifespan?

Between 1942 and 2004, in the United States, Monahan life expectancy was at its lowest point in 1951, and highest in 2003. The average life expectancy for Monahan in 1942 was 43, and 75 in 2004.

View Social Security Death Index (SSDI) for Monahan

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