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Kai meaning and name origin
Kai \kai\ as a boy's name (also used as girl's name Kai), is pronounced kye. It is of Welsh, Scandinavian and Greek origin, and the meaning of Kai is "keeper of the keys; earth". Variant of Kay. Also possibly (South African) "beautiful". Kai is also a Hawaiian name meaning "the sea".
Kai has 3 variant forms: Kaj, Keh and Kye.
For more information, see also the related name Cai.
Baby names that sound like Kai are Caio, Caw, Kaye, Gay, Kauai, Kawai, Key and Koa.
View a list of the 3 names that reference Kai.
Popularity of Kai
Kai is not a popular first name for men but a very popular surname or last name for all people (#25480 out of 88799). (1990 U.S. Census)
Displayed below is the baby names popularity of the name Kai for boys. (2012 statistics) Compare Kai with its variant forms and related boy baby names.