Kai or Kay

Kai passed Kay in 1989.

nameyearbook.com/compare/kai-vs-kay

Babies per 1,000 (each name's main sex), 1880–2025

Babies per 1,000 (each name's main sex), 1880–2025Popularity of Kai or Kay from 1880 to 2025. Kai passed Kay in 1989.0123418801900192019401960198020002020KaiKay Babies per 1,000 (each name's main sex), 1880–2025Popularity of Kai or Kay from 1880 to 2025. Kai passed Kay in 1989.012341880192019602000KaiKay
KaiKay
Rank in 2025#93 (boys)#3,903 (girls)
TrendRisingSteady
Peak year20221939
Top stateHawaii—