Meaning A popular variant of the name Calum, meaning 'dove' and 'disciple of Saint Columba'. Origin of Callom Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Callom KAELahM Similar Names Kalem Callam Calium Kalum Kallum Malcolm Callum Malcom Makolm Mealcoluim Year by Year Popularity of Callom