Save Gender Masculine Usage Obscure (Modern) Pronounced Pron. /ˈkeɪ.sən/ [key·simplify] Other Forms FormsCasen, Casin, Cason, Casyn, Caysen, Cayson, Kaeson, Kaisen, Kaison, Kason, Kasyn, Kasen, Kaysen, Kayson Meaning & History A variant of Cason incorporating the spelling of the name Kayce.