Casey
Unisex name · Irish · pronounced KAY-see
Verified name
What does Casey mean?
Vigilant or brave
Origin and language
Irish
Language family: English|Irish
Popularity in the United States
Ranked No. 304 in the U.S. in 2025, so it is popular. Source: U.S. Social Security Administration data.
Popularity in England and Wales
No. 188 in England and Wales in 2025
Contains Office for National Statistics data licensed under the Open Government Licence v3.0.
Related names, nicknames, and variants
Nickname: Case, Kase
Variant: Kasey, Kacie
Related: Cassidy, Keeva
Using Casey across cultures
Irish surname widely used for boys and girls.
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