Kacey
Kacey is a unisex name of Irish origin meaning “Vigilant, watchful”, pronounced KAY-see. It ranked #1118 in the United States in 2025, given to 211 babies, and peaked at #577 in 1991. Common nicknames: Kace, KC.
How popular is Kacey in the United States?
Data: U.S. Social Security Administration (SSA). Based on all Social Security card applications for births in the United States.
What does Kacey mean, and where does it come from?
Kacey is one of several spellings of Casey, from the Irish surname Ó Cathasaigh — cathasach, "vigilant" or "watchful." The K spelling arrived in American records in 1952 and entered the top thousand in 1975, part of the wave that respelled every C name in the language. It is used for both sexes, tilting female in recent decades, and country music supplies its best-known bearer in Kacey Musgraves. Casey Jones, the engineer who died at the throttle, is the reason the sound has always felt American.
How is Kacey used around the world?
Kacey is used in 0 languages worldwide, with 4+ international variants.
TypeUnisex name
Linguistic data: Wikidata (CC0). Variants and language usage may vary by region.
What are the nicknames for Kacey?
Famous People Named Kacey
- Kacey Musgraves — American country singer and multiple Grammy winner
- Kacey Rohl — Canadian actress
- Kacey Mottet Klein — Swiss actor
Similar Names to Kacey
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Sibling Name Ideas for Kacey
Looking for names that pair well with Kacey? Here are some sibling name suggestions that share a similar style and feel.
Frequently Asked Questions
What does the name Kacey mean?
Kacey is a unisex name of Irish origin meaning "Vigilant, watchful." Kacey is one of several spellings of Casey, from the Irish surname Ó Cathasaigh — cathasach, "vigilant" or "watchful." The K spelling arrived in American records in 1952 and entered the top thousand in 1975, part of the wave that respelled every C name in the language.
How do you pronounce Kacey?
Kacey is pronounced KAY-see. Common variations include Casey, Kacie, Kaci.
Is Kacey a unisex name?
Yes, Kacey is traditionally a unisex name. Popular nicknames include Kace, KC.