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Cassidy Family History

Cassidy Surname 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


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Hint: Try searching for a relative alive in 1940.

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 1891 there were 884 Cassidy families living in Lancashire. This was about 43% of all the recorded Cassidy's in United Kingdom. Lancashire had the highest population of Cassidy families in 1891.
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.
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What did your Cassidy ancestors do for a living?

In 1939, General Labourer and Unpaid Domestic Duties were the top reported jobs for men and women in the United Kingdom named Cassidy. 22% of Cassidy men worked as a General Labourer and 68% of Cassidy women worked as an Unpaid Domestic Duties. Some less common occupations for Americans named Cassidy were Barman and Domestic Duties.

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 1939

  • General Labourer
    22%
  • Builders Labourer
    9%
  • Incapacitated
    6%
  • Barman
    4%

Top Female Occupations In 1939

  • Unpaid Domestic Duties
    68%
  • Unpaid Domestic
    2%
  • Domestic Servant
    2%
  • Domestic Duties
    2%

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 UK 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 UK, 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

An unusually short lifespan might indicate that your Cassidy 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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