This page needs Javascript enabled in order to work properly. Click here for instructions on how to enable it in your browser.
Surname Header Image
Get access to Collahan family records.Start a 14-Day Free Trial

Collahan Family History

Collahan Surname Meaning

Historically, surnames evolved as a way to sort people into groups - by occupation, place of origin, clan affiliation, patronage, parentage, adoption, and even physical characteristics (like red hair). Many of the modern surnames in the dictionary can be traced back to Britain and Ireland.


Similar surnames: Callahan, Colahan, Hollahan, Mollohan, Colleran, Hallahan, Callaham

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

Hint: Try searching for a relative alive in 1940.

Where is the Collahan family from?

You can see how Collahan families moved over time by selecting different census years. The Collahan family name was found in the USA, Canada, and Scotland between 1840 and 1920. The most Collahan families were found in USA in 1880. In 1911 there were 4 Collahan families living in Ontario. This was about 80% of all the recorded Collahan's in Canada. Ontario had the highest population of Collahan families in 1911.
Use census records and voter lists to see where families with the Collahan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Collahan ancestors do for a living?

In 1940, Farmer and Stenographer were the top reported jobs for men and women in the USA named Collahan. 14% of Collahan men worked as a Farmer and 19% of Collahan women worked as a Stenographer. Some less common occupations for Americans named Collahan were Salesman and Teacher.

View Census Data for Collahan | 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

  • Farmer
    14%
  • Laborer
    13%
  • Clerk
    10%
  • Salesman
    8%

Top Female Occupations In 1940

  • Stenographer
    19%
  • Clerk
    15%
  • Housewife
    13%
  • Teacher
    8%

What Collahan family records will you find?

Census Records

There are 2,000 census records available for the last name Collahan. Like a window into their day-to-day life, Collahan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search Canadian census records for Collahan

Passenger Lists

There are 138 immigration records available for the last name Collahan. 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 Collahan immigration records

Draft Cards

There are 201 military records available for the last name Collahan. For the veterans among your Collahan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Collahan military records

You've only scratched the surface of Collahan family history

Discover More

What is the average Collahan lifespan?

An unusually short lifespan might indicate that your Collahan 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.

Discover the unique achievements of ancestors in the Collahan family tree

Explore Your Tree
Search for another surname
Enter last name/surname
Start a 14-Day Free Trial