Meaning A boy's name of Gaelic origin, it means "Dark Skinned." Origin of Dubhthach Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Dubhthach Similar Names Dhoire Dubhgall Doughlas Dougal Duffey Derward Donnachadh Dubhglas Dugal Dugald Year by Year Popularity of Dubhthach