Spellings

Kaia or Kaiya?

In the US in 2025, 68% of babies in this name family were spelled Kaia and 11% Kaiya. Same name, slightly different impression: here are the figures for each spelling.

Kaia68% of the family1,618 born in 2025#193 among girls×2 since 2015Kaiya11% of the family255 born in 2025#992 among girls−18% since 2015Kaya9% of the family206 born in 2025#1,132 among girls−37% since 2015Kya8% of the family182 born in 2025#1,235 among girls+13% since 2015Caia3% of the family64 born in 2025#2,691 among girlssteady since 2015Kaiah2% of the family52 born in 2025#3,100 among girls+37% since 2015

Ten years ago

Kaia already led in 2015, with 44% of the family's births; it has 68% in 2025. All spellings together, the family went from 1,610 to 2,377 births (+48%).

Births by spelling, 2015 and 2025
Spelling20152025Change
Kaia7081,618×2
Kaiya312255−18%
Kaya326206−37%
Kya161182+13%
Caia6564steady
Kaiah3852+37%

How they sound

All of these spellings are said the same way: /ˈkaɪə/ (KY-uh). So the choice is about how it looks: it is the spelling people will read on a birth card, a name tag or an email address, and the one your child will sometimes spell out.

In France

In France in 2025: Kaia 10 births and Kaya 15 births. The other spellings are not given there often enough to be counted.

Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.

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