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“Estonian variant of Katariina (Catherine); also used as a variant of Kai — Hawaiian for 'sea'” — Estonian and Norwegian; also a form of Kai origin
Girl's name · #193 in the US (2025) · 2020s
Kaia reached its best rank, #180, in 2024 and ranked #193 in 2025. About 21,000 girls have carried it since 1955. In Hawaii it runs about 8× its national rate and ranks #9. Together with its spelling variants Kaiya (#994) and Kaya (#1133), Kaia would rank around #141 with about 2,100 births last year — the newborns split about 78/12/10 across Kaia, Kaiya, and Kaya.
Around the world: #45 in New Zealand (2025) · #70 in Australia (NSW) (2025) · #93 in Australia (QLD) (2025) · #96 in Australia (VIC) (2025) · #98 in Canada (2024).
Appears in 2020-2025 birth records of 47 states. See the full state-by-state map on this page.
Among 58 notable people named Kaia:
Sports figures appear 2.08× more often than among typical names — e.g. Kaia Kanepi, Estonian tennis player (born 1985).
Similar names: Kaiya · Myla · Kai · Freya · Alani · Kalani
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