Muir \muir\ as a boy's name is of Scottish and Gaelic origin, and the meaning of Muir is "moor". Place name. Naturalist John Muir.
Baby names that sound like Muir are Meir, Marr, Mar, Myer, Maier, Meiri, Meier and Murry. Other similar baby names are Munir, Amir, Emir, Burr, Gair, Geir, Gur, Jair, Keir, Mahir, Munro, Muneir, Mounir, Nur and Ymir.