Boy name origins & meanings Persian : Keeper of the treasurePersian : Treasure bearerPersian : A treasured secret Boy name variations Caspar Casper Cass Gaspar Gaspard Gasparo Gasper Jasper Kaspar Gaspare Jaspar Gasparas Gaspari Gazsi Kasp Family name origins & meanings German, Danish, Czech, and Polish; Slovenian (also Kašper) : see Kaspar.