Meaning A girl's name of Gaelic origin, it means "Bitter." Origin of Mairi Gaelic , Irish +-100%Zoom level changed to 1 Popular Middle Names Michelle Pronunciation 🔊 Listen Mairi Similar Names Meegan Mildread Moibeal Mavis Maeryn Ethne Trina Aimil Giorsal Sighle Year by Year Popularity of Mairi