Caius - name meaning, origin

The boy's name Caius \

is pronounced keys. It is of Latin origin, and its meaning is "rejoice". Variant of Gaius. A 16th-century English physician endowed a college at Cambridge University called "Gonville and Caius".

Caius has 7 variant forms: Cai, Caio, Kay, Kaye, Keye, Keyes and Keys.

Baby names that sound like Caius are Cass, Gus, Guus, Case, Casey, Cayce, Cacey, Cace, Caz and Kass.

Caius is an uncommon first name for men and an equally uncommon last name for both men and women. (1990 U.S. Census)

Displayed below is the baby name popularity trend for the boy name Caius. Compare Caius with its variant forms and related boy names.