68%RatingSave Gender Masculine Usage Medieval Irish, Scottish Gaelic Meaning & History Means "sea battle", derived from Old Irish muir "sea" and cath "battle". This name was borne by several medieval Irish chieftains and kings. It is Anglicized as Murdo in Scotland. Related NamesFamily Tree·Details Rootsmuir + cathVariantMurdo(Scottish) Feminine FormMurdag(Scottish Gaelic) Other Languages & CulturesMurrough(Irish) Murchad(Old Irish) Surname DescendantMurdoch(Scottish) People think this name isRate·Details classic mature formal upper class natural wholesome strong rough strange complex serious Categories nautical, ocean, sea, war, warrior, water, wet