Given name
Kaycee
“vigilant, wakeful”·“a vigilant woman”·“one who is alert; watchful”
In English use, Kaycee is a variant of Casey. Interpretations include “vigilant, wakeful” (Irish), “a vigilant woman” (Irish), and “one who is alert; watchful”. These may reflect different naming traditions. Kaycee is a variant of Kasey. In Irish use, Kasey carries the interpretation “a vigilant woman.”
Meaning & origin
What it means
In English use, Kaycee is a variant of Casey. Interpretations include “vigilant, wakeful” (Irish), “a vigilant woman” (Irish), and “one who is alert; watchful”. These may reflect different naming traditions. Kaycee is a variant of Kasey. In Irish use, Kasey carries the interpretation “a vigilant woman.” Kaycee is a variant of Kacey. One Irish interpretation is “a vigilant man; one who is alert.”
Explained through its name family
Where it comes from
In English use, Kaycee is a variant of Casey. An origin associated with Casey is Irish.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1955. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Kaycee through the years
- Babies since 1880
- 9,184
- 530 boys · 8,654 girls
- Most popular year
- 1998
- 274 babies
- 2025
- 220
- #1,303 for girls · #2,665 for boys
- 2021–25 vs 2016–20
- +14%
- Rising
Boys, girls and both
The balance of boys and girls given this name has shifted over time. Recent births are 15% boys.
Where it’s given
By the numbers
In 2025, this name appeared in 171 U.S. birth records for girls, ranking No. 1,303 among girls’ names. Average annual use for girls was 4.1% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 263 in 1998. It also appeared in 49 birth records for boys in 2025. In 2025, Texas had the largest reported state-level birth count for girls with this name (26). Published U.S. population figures for this spelling include 7,185 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.
Kaycee’s family of names
In English usage, Kaycee has a related form in Casey. Kaycee has a related form in Kasey. In English usage, Kaycee has a related form in Kacie.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 6
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 2
The same name written differently, including transliterations into other scripts.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
People named Kaycee
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Kaycee, these share its style, era, origin or sound, from outside its own family.
Kadence
“rhythmic and melodious; a musical woman”
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Baylee
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1% boys · 99% girls
Kaitlyn
“one who is pure; virginal”
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Kayla
Kayla is a feminine given name.
>99% girls
Camryn
“crooked nose”
14% boys · 86% girls
Kassidy
“a curly-haired man”
3% boys · 97% girls