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Caio meaning, boyCaio

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Meaning and name origin

Caio \caio\ as a boy's name has the meaning "happy" and is a variant of Caeo (Welsh): name of a village and parish in Carmarthenshire (known as the "Garden of Wales") used as a first name in Wales. Also a variant of Cai (Welsh): used as a respelling of Kai in Wales. Caio is also used as a variant of Caius (Latin): common Roman form of Gaius.

Caio has 6 variant forms: Caw, Cayo, Kai, Kay, Kaye, Keye.

Suggested similar baby names are Cain, Cairo, Cato, Chai and Chayo.


Caio is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).

Displayed below is the baby names popularity of Caio name for boys (2012 statistics). Compare Caio with its variant forms and related boy baby names.

Top 1000 baby names ranking of Caio name in U.S.

Top 100 baby names ranking of Caio outside U.S.


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