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Colahan Family History

Colahan Name Meaning

Irish:: variant of Callahan . variant of Colohan from Mac Uallocháin ‘son of Uallachán’ a personal name from a diminutive of uallach ‘proud’.

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


Similar surnames: Callahan, Conahan, Monahan, Coleman, Morahan, Hallahan, Cavan, Cohan

Search for a relative to learn more about your family history.

Hint: Try searching for a relative alive in 1940.

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Where is the Colahan family from?

You can see how Colahan families moved over time by selecting different census years. The Colahan family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Colahan families were found in USA in 1880. In 1911 there were 6 Colahan families living in Nova Scotia. This was about 60% of all the recorded Colahan's in Canada. Nova Scotia had the highest population of Colahan families in 1911.
Use census records and voter lists to see where families with the Colahan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Colahan ancestors do for a living?

In 1940, Laborer and Clerk were the top reported jobs for men and women in the USA named Colahan. 20% of Colahan men worked as a Laborer and 20% of Colahan women worked as a Clerk. Some less common occupations for Americans named Colahan were Manager and Housewife. .

View Census Data for Colahan | 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.

United States shown, Canada data unavailable

Top Male Occupations In 1940

  • Laborer
    20%
  • Salesman
    20%
  • Clerk
    17%
  • Manager
    10%

Top Female Occupations In 1940

  • Clerk
    20%
  • Housework
    20%
  • Teacher
    20%
  • Housewife
    20%
Black & white image of two construction labourers

What Colahan family records will you find?

Census Records

There are 4,000 census records available for the last name Colahan. Like a window into their day-to-day life, Colahan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search Canadian census records for Colahan

Passenger Lists

There are 608 immigration records available for the last name Colahan. Passenger lists are your ticket to knowing when your ancestors arrived in Canada, and how they made the journey - from the ship name to ports of arrival and departure.

View all Colahan immigration records

Draft Cards

There are 685 military records available for the last name Colahan. For the veterans among your Colahan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Colahan military records

You've only scratched the surface of Colahan family history

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What is the average Colahan lifespan?

Between 1950 and 2004, in the United States, Colahan life expectancy was at its lowest point in 1961, and highest in 2001. The average life expectancy for Colahan in 1950 was 42, and 68 in 2004.

View Social Security Death Index (SSDI) for Colahan

Discover the unique achievements of ancestors in the Colahan family tree

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