Gender / Sex: boy (Cai's also a girl name)
Meaning: rejoice; happy, rejoice
Sounds Like: Caio, Kai
Similar Names: Cain, Cal, Cam, Cap, Caz, Chai, Hai, Dai, Jai, Rai
Rank as Last Name (Surname, Family Name): 17846
Cai \cai\ as a boy's name (also used as girl's name Cai), is a variant of Caius (Latin) and Gaius (Latin), and the meaning of Cai is "rejoice; happy, rejoice".
The baby name Cai sounds like Caio and Kai. Other similar baby names are Cain, Cal, Cam, Cap, Caz, Chai, Hai, Dai, Jai and Rai.
View a list of the 2 names that reference Cai.
Cai is not a popular first name for men but a very popular surname or last name for both men and women (#17846 out of 88799). (1990 U.S. Census)