What does Caio mean?
Caio [caio] as a boys' name is a Welsh and Latin name, 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).
Associated with: happy.
(male) Caiot, Cario, ..
(female) Caiois, Cais, ..
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)
Which version is better?with its source forms and related boy names. Below is a graphed study of the history of Caio and associated names. Popular variation forms of Caio (not in Top 2000) are Kai (#145 in recent rankings), Caius (#1283), Cai (#1819), Kaye and Kay. Other forms, like Caw, are uncommon. These relations of Caio were popular as birth names in 2015 (median #1449), except for the form Kay which have become somewhat outmoded. Kai is the most contemporarily stylish name for newborns among these. (Top 2000 Names, 2015)
Caio is pronounced similarly to Coe, Coy▼ and Coye. Other recommended names are Ario, Cabe, Cabot, Cace, Cade, Cadmo (see Cadmus), 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.See names in meaning and etymology.