Meaning A boy's name of Greek origin, it means "Variant of Cyril: Lord." Origin of Cyrillus Greek +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Cyrillus Similar Names Cirilio Cyrille Cy Elta Alex Daimen Daimon Cyrill Sridasaroop Ary Year by Year Popularity of Cyrillus