Given name
Kacey
“a vigilant man; one who is alert”
Kacey is used as a given name. One Irish interpretation is “a vigilant man; one who is alert.”
Meaning & origin
What it means
One Irish interpretation is “a vigilant man; one who is alert.”
Where it comes from
An origin associated with this spelling is Irish.
The story
Published U.S. birth records include this spelling as early as 1952. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Kacey through the years
- Babies since 1880
- 15,265
- 3,304 boys · 11,961 girls
- Most popular year
- 1991
- 463 babies
- 2025
- 393
- #1,118 for girls · #1,155 for boys
- 2021–25 vs 2016–20
- +78%
- Rising fast
Boys, girls and both
The balance of boys and girls given this name has shifted over time. Recent births are 42% boys.
Where it’s given
By the numbers
In 2025, this name appeared in 211 U.S. birth records for girls, ranking No. 1,118 among girls’ names. Average annual use for girls was 26.1% higher in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 402 in 1991. It also appeared in 182 birth records for boys in 2025. In 2025, Texas had the largest reported state-level birth count for girls with this name (30). Published U.S. population figures for this spelling include 11,711 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Kacey’s family of names
In English usage, Kacey has a related form in Casey. Kacey has a related form in Kasey. Kacey has a related form in Kasey.
Inner ring: spellings · outer: nicknames and forms.
Nicknames & forms 33
Diminutives, pet forms, short forms and variants used alongside the name.
- Caseyvariant · English
- Kaseyvariant
- Kayceevariant
- Kacievariant
- Kacivariant
- Kaycievariant
- Kacyvariant
- Kaycivariant
Show 25 moreShow fewer
- Kaysivariant
- Kaiseyvariant
- Kaysievariant
- Kasievariant
- Kasivariant
- Kaisyvariant
- Kaiseevariant
- Kayseevariant
- Kayseyvariant
- Kaiceevariant
- Kaicyvariant
- Kaiceyvariant
- Kayceyvariant
- Kaseavariant
- Kaseevariant
- Kasyvariant
- Kaceevariant
- Kacceylikely variant
- Kaisievariant
- Kaisivariant
- Kaysyvariant
- Kaicievariant
- Kaicivariant
- Kaycyvariant
- Kaceavariant
Spellings & scripts 2
The same name written differently, including transliterations into other scripts.
People named Kacey
- Kacey MusgravesAmerican singer (born 1988)
- Kacey RohlCanadian film and television actressborn 1991
- Kacey Mottet KleinSwiss actorborn 1998
- Kacey ClarkeBritish actressborn 1988
- Kacey BellamyAmerican women's ice hockey playerborn 1987
- Kacey Ainsworthactressborn 1968
- Kacey WhiteAmerican soccer player (born 1984)
- Kacey JonesAmerican songwriter1950–2016
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Kacey, these share its style, era, origin or sound, from outside its own family.
Kelby
“from the waters” · “from the farm near the spring”
60% boys · 40% girls
Daley
“of the assembly”
36% boys · 64% girls
Reilly
“an outgoing man”
46% boys · 54% girls
Kelley
“a warrior” · “one who defends”
41% boys · 59% girls
Shea
“of admirable character” · “from the fairy palace”
36% boys · 64% girls
Keelin
“a lively and bright-headed woman” · “a slender and beautiful woman”
56% boys · 44% girls
Karman
“the lord of the manor”
35% boys · 65% girls
Conley
“one who is pure; chaste”
63% boys · 37% girls