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Cassidy

Pronunciation: [ k-AS-ihd-ee ]

Boy Name #2,323 Most Popular Hidden Gem 3 Syllables

A spirited Irish name with outlaw swagger

Irish American English
Classic Vintage Strong Traditional

Meaning & Origin

"curly-haired"
Origin: Irish Gaelic
Language: Irish
"descendant of Caiside"
Origin: Irish
Language: Irish

The Story of Cassidy

Cassidy is an anglicized form of the Irish surname O Caiside, meaning descendant of Caiside. The personal name Caiside may derive from the Old Irish cas meaning curly-haired, making Cassidy a name that literally means curly-haired one. The O'Cassidy clan was prominent in County Fermanagh in Ulster. As a given name for boys, Cassidy has a natural association with the legendary outlaw Butch Cassidy.

Cassidy was used as a unisex name in the 1970s-80s, popularized partly by the song Cassidy by the Grateful Dead (1972). For boys, the Butch Cassidy connection maintains its appeal among parents who love western American history and outlaw mythology.

The legendary outlaw Butch Cassidy (Robert LeRoy Parker) made this name synonymous with American frontier mythology. The 1969 film Butch Cassidy and the Sundance Kid further cemented its cultural resonance.

Fun Facts

  • Butch Cassidy (1866-1908) was a famous American outlaw and leader of the Wild Bunch gang
  • The Grateful Dead song Cassidy (1972) is named after a baby born on a tour bus

Cassidy in Other Languages

Irish O Caiside
English Cassidy
Spanish Casidy

Famous People Named Cassidy

D

David Cassidy

Musician

1950

American teen idol and actor famous for The Partridge Family

B

Butch Cassidy

Other

1866

Legendary American outlaw and leader of the Wild Bunch gang

Quick Facts

Gender
Boy
Syllables
3
Popularity Rank
#2,323
Total SSA Count
61
Cultural Origins
Irish American English
Pronunciation
Easy
Formality
Moderate
Cross-Cultural Ease
High

Alternative Spellings

Common Nicknames

Cass Cas Sid

Pairs Well With

Cassidy James Cassidy Ryan Cassidy Patrick Cassidy Thomas Cassidy Lee Cassidy Dean Cassidy Wayne

Sibling Names

Also a Girl Name

Cassidy is also used as a girl name, ranked #476.

View Cassidy as a girl name →

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Frequently Asked Questions About Cassidy

What does the name Cassidy mean?
"curly-haired" (from Irish Gaelic). "descendant of Caiside" (from Irish). Cassidy is an anglicized form of the Irish surname O Caiside, meaning descendant of Caiside. The personal name Caiside may derive from the Old Irish cas meaning curly-haired, making Cassidy a name that literally means curly-haired one. The O'Cassidy clan was prominent in County Fermanagh in Ulster. As a given name for boys, Cassidy has a natural association with the legendary outlaw Butch Cassidy.
What is the origin of the name Cassidy?
Cassidy has Irish Gaelic, Irish, American, and English origins. In Irish Gaelic, it means "curly-haired". In Irish, it means "descendant of Caiside".
Is Cassidy a boy or girl name?
Cassidy is used as both a boy and girl name. As a boy name, it is ranked #2323. As a girl name, it is ranked #476. Cassidy is more commonly used as a girl name.
How do you pronounce Cassidy?
Cassidy is pronounced k-AS-ihd-ee.
How popular is the name Cassidy?
Cassidy is currently ranked #2323 in popularity for boy names in the United States.
What are common nicknames for Cassidy?
Common nicknames for Cassidy include Cass, Cas, and Sid.
What are good middle names for Cassidy?
Popular middle name pairings include Cassidy James, Cassidy Ryan, Cassidy Patrick, Cassidy Thomas, Cassidy Lee, Cassidy Dean, and Cassidy Wayne.
What are good sibling names for Cassidy?
Names that pair well with Cassidy as siblings include Brady, Riley, Finley, Kennedy, Quinn, Rory, and Murphy.
How many syllables does Cassidy have?
Cassidy has 3 syllables, making it distinctive and rhythmic.
Is Cassidy a common or rare name?
Cassidy is an uncommon name, ranked #2323 in the US. Its rarity gives it a distinctive, memorable quality.

About the Name Cassidy

Cassidy is a boy name with Irish, American, and English origins . The name means "curly-haired" in Irish Gaelic .

Is Cassidy a boy or girl name? Cassidy is used as both a boy and girl name. As a boy name, it ranks #2,323 in popularity. As a girl name, it ranks #476. Cassidy is more commonly used as a girl name.

Cassidy is currently ranked #2,323 in popularity for boy names in the United States.

The name Cassidy has 3 syllables and is pronounced k-AS-ihd-ee, making it distinctive and memorable.

Common nicknames for Cassidy include Cass, Cas, and Sid. These shorter forms provide casual alternatives while keeping the elegance of the full name.

Alternative spellings of Cassidy include Cassius, Cassian, Cassiel . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.

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