Casey

Pronunciation: [ k-AYS-ee ]

Girl Name #1,055 Most Popular Hidden Gem 2 Syllables

An Irish watchman's name with all-American spirit

Irish American Australian

Playful Modern Classic Bold Earthy

Meaning & Origin

"vigilant, watchful"

Origin: Irish Gaelic

Language: Irish

"descendant of Cathasach"

Origin: Irish clan name

Language: Irish

The Story of Casey

Casey derives from the Irish Gaelic surname O Cathasaigh, meaning descendant of Cathasach, where Cathasach means vigilant or watchful. It originated as an Irish clan name before transitioning to a first name in American usage during the 19th century. The legendary railroad engineer John Luther 'Casey' Jones — who died heroically in 1900 trying to save his passengers — made Casey a household name across America.

Casey peaked as a girls' name in the United States in the 1980s and 1990s, riding the gender-neutral name wave. It has declined somewhat as parents seek fresher neutral options, but retains steady usage. The name benefits from its short, friendly sound and Irish heritage.

Casey Jones, the heroic railroad engineer of 1900, immortalized in song and legend, gave the name a uniquely American pioneering spirit. The Casey at the Bat poem (1888) by Ernest Thayer also embedded Casey deeply in American literary and sporting culture.

Fun Facts

Casey Jones, the real-life railroad engineer who died in 1900 to save his passengers, was actually named John Luther Jones — Casey was his nickname from his hometown of Cayce, Kentucky
Ernest Thayer's 1888 poem Casey at the Bat introduced the name to millions of baseball fans across America
Casey is one of the few names that has been both a top-50 boys' name and top-50 girls' name in the United States in different decades

Casey in Other Languages

Irish Cathasach

French Casey

German Casey

Spanish Casey

Japanese ケイシー

Famous People Named Casey

Casey Affleck

Actor

1975

American actor who won the Academy Award for Best Actor for Manchester by the Sea (2016)

Casey Stengel

Athlete

1890

Hall of Fame baseball manager who won seven World Series championships with the New York Yankees and is known for his co...

Hall of Fame baseball manager who won seven World Series championships with the New York Yankees and is known for his colorful 'Stengelese' speaking style

Casey Jones

Other

1863

American railroad engineer who died heroically in 1900 attempting to stop his train from hitting a stalled freight train...

American railroad engineer who died heroically in 1900 attempting to stop his train from hitting a stalled freight train, becoming a folk hero immortalized in song

Quick Facts

Gender: Girl
Syllables: 2
Popularity Rank: #1,055
Total SSA Count: 236
Cultural Origins: Irish American Australian
Pronunciation: Easy
Formality: Moderate
Cross-Cultural Ease: High

Common Nicknames

Case Cay

Pairs Well With

Casey Anne Casey Marie Casey Jo Casey Lynn Casey Rose Casey Nicole Casey Renee

Sibling Names

Riley Morgan Hayden Quinn Jordan Taylor Avery

Also a Boy Name

Casey is also used as a boy name, ranked #310.

View Casey as a boy name →

Similar Names

Lucy Sadie Kate Gracie Katy Lacy Macy Casey

Playground Safety

Kid-Friendly

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Frequently Asked Questions About Casey

What does the name Casey mean?

"vigilant, watchful" (from Irish Gaelic). "descendant of Cathasach" (from Irish clan name). Casey derives from the Irish Gaelic surname O Cathasaigh, meaning descendant of Cathasach, where Cathasach means vigilant or watchful. It originated as an Irish clan name before transitioning to a first name in American usage during the 19th century. The legendary railroad engineer John Luther 'Casey' Jones — who died heroically in 1900 trying to save his passengers — made Casey a household name across America.

What is the origin of the name Casey?

Casey has Irish Gaelic, Irish clan name, Irish, American, and Australian origins. In Irish Gaelic, it means "vigilant, watchful". In Irish clan name, it means "descendant of Cathasach".

Is Casey a boy or girl name?

Casey is used as both a girl and boy name. As a girl name, it is ranked #1055. As a boy name, it is ranked #310. Casey is more commonly used as a boy name.

How do you pronounce Casey?

Casey is pronounced k-AYS-ee.

How popular is the name Casey?

Casey is currently ranked #1055 in popularity for girl names in the United States.

What are common nicknames for Casey?

Common nicknames for Casey include Case and Cay.

What are good middle names for Casey?

Popular middle name pairings include Casey Anne, Casey Marie, Casey Jo, Casey Lynn, Casey Rose, Casey Nicole, and Casey Renee.

What are good sibling names for Casey?

Names that pair well with Casey as siblings include Riley, Morgan, Hayden, Quinn, Jordan, Taylor, and Avery.

How many syllables does Casey have?

Casey has 2 syllables, making it easy to say and remember.

Is Casey a common or rare name?

Casey is an uncommon name, ranked #1055 in the US. Its rarity gives it a distinctive, memorable quality.

About the Name Casey

Casey is a girl name with Irish, American, and Australian origins . The name means "vigilant, watchful" in Irish Gaelic .

Is Casey a boy or girl name? Casey is used as both a girl and boy name. As a girl name, it ranks #1,055 in popularity. As a boy name, it ranks #310. Casey is more commonly used as a boy name.

Casey is currently ranked #1,055 in popularity for girl names in the United States.

The name Casey has 2 syllables and is pronounced k-AYS-ee, making it easy to pronounce and remember.

Common nicknames for Casey include Case and Cay. These shorter forms provide casual alternatives while keeping the elegance of the full name.