Given name & surname
Caia
“one who rejoices”
Caia is used as a given name and a surname. One Latin interpretation is “one who rejoices.”
Original LatinCaius
Meaning & origin
What it means
One Latin interpretation is “one who rejoices.”
Where it comes from
An origin associated with this spelling is Latin.
How it developed
In Latin usage, Caia is a feminine form of Caius.
The story
Published U.S. birth records include this spelling as early as 1979. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Caia through the years
- Babies since 1880
- 1,201
- 0 boys · 1,201 girls
- Most popular year
- 2023
- 89 babies
- 2025
- 64
- #2,696 for girls
- 2021–25 vs 2016–20
- −1%
- Steady
Where it’s given
By the numbers
In 2025, this name appeared in 64 U.S. birth records for girls, ranking No. 2,696 among girls’ names. Average annual use for girls was 0.5% lower in 2021–2025 than in 2016–2020. In 2025, California had the largest reported state-level birth count for girls with this name (12). Published U.S. population figures for this spelling include 759 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.
Caia’s family of names
In Latin usage, Caia is a feminine form of Caius. Caia has a related form in Cai. In Latin usage, Caia has a conventional equivalent in the Italian form Gaia.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Caia has relatives in 4 languages. Lines run from its Latin roots to each of them.
Latinwhere Caia comes from · 1 name
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 9
Equivalents and cognates in other languages, plus older forms it grew from.
- Caiusmasculine form · Latin
- Kaiaequivalent
- GaiaItalian
- Caiomasculine form
- Ciaequivalent
- Cayaequivalent
- Caisaequivalent
- Cajaequivalent
Show 1 moreShow fewer
People named Caia
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Caia, these share its style, era, origin or sound, from outside its own family.
Raia
“smilax” · “ray”
>99% girls
Marren
Marren is a surname from Medieval Latin.
>99% girls
Yrsa
“she-bear”
>99% girls
Germany
“land of the Germans”
10% boys · 90% girls
Halo
“having a blessed aura”
20% boys · 80% girls
Sylvanas
Sylvanas is a feminine given name from Latin.
>99% girls
Rouse
“red-haired”
>99% girls
Juniper
“resembling the evergreen shrub with berries”
1% boys · 99% girls