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Cassidy Family History

Cassidy Name Meaning

Irish (Western Ulster and Meath): shortened Anglicized form of Gaelic Ó Caiside ‘descendant of Caiside’ a byname from cas ‘curly(-headed)’.

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


Similar surnames: Cashion, Carmody, Cassady, Cassiday, Cassedy, Casserly, Cassity

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 Cassidy family from?

You can see how Cassidy families moved over time by selecting different census years. The Cassidy family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Cassidy families were found in USA in 1880. In 1840 there were 33 Cassidy families living in New York. This was about 38% of all the recorded Cassidy's in USA. New York had the highest population of Cassidy families in 1840.
Use census records and voter lists to see where families with the Cassidy surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Cassidy ancestors do for a living?

In 1940, Laborer and Stenographer were the top reported jobs for men and women in the USA named Cassidy. 14% of Cassidy men worked as a Laborer and 8% of Cassidy women worked as a Stenographer. Some less common occupations for Americans named Cassidy were Clerk and Housewife. .

View Census Data for Cassidy | 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
    14%
  • Farmer
    7%
  • Salesman
    7%
  • Clerk
    6%

Top Female Occupations In 1940

  • Stenographer
    8%
  • Teacher
    7%
  • Clerk
    6%
  • Housewife
    6%
Black & white image of two construction labourers

What Cassidy family records will you find?

Census Records

There are 204,000 census records available for the last name Cassidy. Like a window into their day-to-day life, Cassidy census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search US census records for Cassidy

Passenger Lists

There are 43,000 immigration records available for the last name Cassidy. 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 Cassidy immigration records

Draft Cards

There are 37,000 military records available for the last name Cassidy. For the veterans among your Cassidy ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Cassidy military records

You've only scratched the surface of Cassidy family history

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What is the average Cassidy lifespan?

Between 1941 and 2004, in the United States, Cassidy life expectancy was at its lowest point in 1945, and highest in 1998. The average life expectancy for Cassidy in 1941 was 32, and 74 in 2004.

View Social Security Death Index (SSDI) for Cassidy

Discover the unique achievements of ancestors in the Cassidy family tree

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