Given name & surname
Kaci
“a vigilant man; one who is alert”·“a vigilant woman”
Kaci is a variant of Kacey. One Irish interpretation is “a vigilant man; one who is alert.” Kaci is a variant of Kasey. In Irish use, Kasey carries the interpretation “a vigilant woman.”
Meaning & origin
What it means
Kaci is a variant of Kacey. One Irish interpretation is “a vigilant man; one who is alert.” Kaci is a variant of Kasey. In Irish use, Kasey carries the interpretation “a vigilant woman.”
Explained through its name family
Where it comes from
Kaci is a variant of Kacey. An origin associated with Kacey is Irish.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1965. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Kaci through the years
- Babies since 1880
- 10,183
- 174 boys · 10,009 girls
- Most popular year
- 1990
- 362 babies
- 2025
- 99
- #2,132 for girls · #7,411 for boys
- 2021–25 vs 2016–20
- −21%
- Easing
Where it’s given
By the numbers
In 2025, this name appeared in 88 U.S. birth records for girls, ranking No. 2,132 among girls’ names. Average annual use for girls was 27.0% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 362 in 1990. It also appeared in 11 birth records for boys in 2025. In 2025, Texas had the largest reported state-level birth count for girls with this name (11). Published U.S. population figures for this spelling include 8,575 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.
Kaci’s family of names
Kaci has a related form in Kasey. Kaci has a related form in Kacey.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 2
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 3
Equivalents and cognates in other languages, plus older forms it grew from.
People named Kaci
- Kaci Kullmann FiveNorwegian politician (1951-2017)
- Kaci BattagliaAmerican singer, songwriter and actressborn 1987
- Kaci BrownAmerican pop and R&B singerborn 1988
- Kaci WalfallAmerican actressborn 2004
- Kaci FennellJamaican modelborn 1992
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Kaci, these share its style, era, origin or sound, from outside its own family.
Karly
“a small, strong woman”
>99% girls
Karli
“a free man” · “a small, strong woman”
>99% girls
Kaila
“crowned with laurel” · “a stylish man”
>99% girls
Kamri
>99% girls
Kassidy
“a curly-haired man”
3% boys · 97% girls
Cassidy
“curly-haired girl” · “a clever man”
7% boys · 93% girls
Kaleigh
“the dark one; in Hinduism, a destructive force” · “one who provides comfort”
>99% girls
Caitlyn
“one who is pure; virginal”
>99% girls