Meaning A boy's name of Gaelic origin, it means "Moorish." Origin of Muireach Gaelic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Muireach Similar Names Mauty Moriz Barkan Mungan Peadar Bealantin Gabhan Gille Raibeart Stiabhan Year by Year Popularity of Muireach