Cass \c(a)-ss\ as a boy's name (also used as girl's name Cass), is a variant of Caspar (Persian), Cassidy (Irish, Welsh, Gaelic) and Cassius (Latin), and the meaning of Cass is "treasurer; curly-headed; ingenious, clever".

The baby name Cass sounds like Case and Kass. Other similar baby names are Cash, Taso, Guss, Cabe, Cade, Casar, Cain, Caius, Caio, Cai, Cal, Cale, Cael, Cam, Capp, Capps, Cap, Carr, Cary, Cason, Casey, Cace, Casshe, Caz, Cassio, Cato, Chas, Chase, Chess, Cris, Claus, Claes, Ras, Haws, Hays, Jase, Jess, Joss, Kasi, Maks, Moss, Mays, Claas, Oaks, Ross, Russ, Taos, Tasso and Vaso.