73%RatingSave Gender Masculine Usage Scottish Meaning & History From a Scottish surname, derived from Scots muir meaning "moor, fen". This name could also be inspired by Scottish Gaelic muir meaning "sea". Related Names RootMuir (surname) People think this name isRate·Details classic mature formal upper class natural strong strange complex serious Categories earth, isograms, landforms, nature, ocean, place names, surnames, water