Given name
Kaysi
“a vigilant man; one who is alert”
Kaysi is a variant of Kacey. One Irish interpretation is “a vigilant man; one who is alert.”
Meaning & origin
What it means
Kaysi 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
Kaysi 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 1971. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Kaysi through the years
- Babies since 1880
- 607
- 0 boys · 607 girls
- Most popular year
- 1988
- 29 babies
- 2025
- 13
- #8,103 for girls
- 2021–25 vs 2016–20
- −3%
- Steady
By the numbers
In 2025, this name appeared in 13 U.S. birth records for girls, ranking No. 8,103 among girls’ names. Average annual use for girls was 3.4% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 29 in 1988. Published U.S. population figures for this spelling include 501 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.
Inner ring: spellings · outer: nicknames and forms.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 4
The same name written differently, including transliterations into other scripts.
Similar names
If you love Kaysi, these share its style, era, origin or sound, from outside its own family.
Kaci
“a vigilant man; one who is alert” · “a vigilant woman”
7% boys · 93% girls
Katy
“one who is pure; virginal”
>99% girls
Kassie
“an unheeded prophetess”
>99% girls
Kaylyn
“a beautiful girl from the meadow”
1% boys · 99% girls
Caitlin
“one who is pure; virginal”
>99% girls
Karly
“a small, strong woman”
>99% girls
Karli
“a free man” · “a small, strong woman”
>99% girls
Carli
“from the farmer's meadow” · “a free woman”
>99% girls