Meaning A boy's name of Gaelic origin, it means "Of the Strange Gauls." Origin of Gallgaidheal Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Gallgaidheal Similar Names Gairbhith Galchobhar Armstrang Gayner Gervin Beagin Frannsaidh Muireach Raghallach Steaphan Year by Year Popularity of Gallgaidheal