What does Caio mean?
Caio /caio/ as a boys' name. Caio's name origins are Welsh and Latin, and the meaning of Caio is "happy". Caio is an alternate spelling of Caeo (Welsh) with the suffix -io. Caio is also a variation of Cai (Welsh). Caio is also used as a derivative of Caius (Latin) and Gaius (Latin).
How popular is Caio?
Caio is an uncommonly occurring first name for men. Caio is an unusual last name too for both adults and children. (2000 U.S. Census)
Below is a graphed comparison of the history of Caio and associated names. Popular variation forms of Caio (not in Top 1000) are Kai (#177 in recent rankings) and Kay. Other forms, like Kaye, are uncommon. These relations of Caio were popular as birth names in 2014 (median #588), except for the form Kay which have become somewhat outmoded. Kai is the most contemporarily stylish name for newborns among these. (Top 1000 Names, 2014)
Thinking of names?
Caio is pronounced similarly to Coe, Coy▼ and Coye. Other recommended similar baby names are Ario, Cabe, Cabot, Cace, Cade▲, Cadmo, Cadoc, Cadog, Cadon, Cael▼, Caide, Caidon, Caile, Caily, Cain▲, Caine, Caird, Cairn, Cairo, Caje, Cal▼, Cale▼, Cam, Camilo, Canon, Cap, Capp, Card, Carl▼, Carlo▼, Caron, Carr, Cary▼, Case▲, Cash▲, Cason▲, Cass, Cassio, Cato, Cayto, Caz, Celio, Chai, Chaim, Chairo, Chano, Chayo, Chic, Chico, Chik, Chiko, Chip▼, Chiro, Cid, Ciro, Clair▼, Claro, Cleo▼, Como, Craig▼, Craik, Crain, Cris, Dacio, Dario▼, Ezio, Fabio, Favio, Mario▲, Pio, Rio and Tavio. These names tend to be more commonly used than Caio.