Meaning A boy's name of Gaelic origin, it means "Of the Strange Gauls." Origin of Gallgaidheal Gaelic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Gallgaidheal Similar Names Galaway Galway Argyle Arregaithel Gabhan Gearald Gille Bealantin Raibeart Stiabhan Year by Year Popularity of Gallgaidheal