Boy
Kai
The name Kai carries the meaning "Hawaiian, sea", with roots in Hawaiian. It is currently on the rise, with its biggest decade yet in the 2010s. As things stand now, it is a solidly familiar choice. 2017 was this name's high-water mark in the U.S. birth records.
HawaiianHawaiian – "sea"
WelshAlso Welsh/Frisian short form – "keeper of the keys"
Births by decade
1900s
0
1910s
0
1920s
6
1930s
6
1940s
10
1950s
180
1960s
438
1970s
1,019
1980s
1,371
1990s
3,542
2000s
14,382
2010s
21,056
Peaked in the 2010s · 42,010 total U.S. births since 1900