Meaning Dervied from Celtic origin meaning 'disciple of Saint Columba'. Also a variant form of Malcolm. Origin of Kalum Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Reed Pronunciation 🔊 Listen Kalum CAL-um Similar Names Kallum Malcolm Callam Kalem Callom Calium Brady Maklolm Malcom Mealcoluim Year by Year Popularity of Kalum