Etymology and OriginsMuireadhach is a Goidelic masculine name from Old Irish, derived from the word muiredach meaning "lord, master" or "chieftain." Anglicized forms include Murdoch, Murtagh, and Murray. The name is deeply rooted in early Irish and Scottish history, borne by numerous legendary and historical kings and prominent figures.Historical and Legendary BearersA notable bearer is Muiredach Tirech, a legendary high-king of Ireland in pre-Christian times. Later rulers include Muiredach Mac Loughlin (died 1160), a contender for the high-kingship of Ireland during the first quarter of the 12th century. As part of the high-kingship competition, he fought fierce river battles and raised forces from across Ulster, Leinster, Connacht and Munster. He was also linked to the Cenél nEógain.Cultural SignificanceThe name is also tied to early Christian Ireland. Saint Muiredach of Killala is reputed as an early Irish saint. Additionally, Muiredach mac Brain, patron of the Cenél Guaire, ruled as King of Munster around 885. Muireadhach appears prominently in Scottish Clan MacWhorter as the first of the Ó Muiréadhaigh kingdom of Northern Hil (forefather of several North of Ireland families).Notable Bearers from the Wikipedia ExtractMuiredach Tirech – legendary high-king of IrelandMuiredach Muinderg (died 489) – legendary king of the UlaidMuiredach Muillethan (died 702) – king of ConnaughtMuiredach mac Ainbcellaig (died c. 770) – king of Dál RiataMuiredach mac Murchado (died 760) – king of LeinsterMuiredach mac Brain (8th-century–818) – king of LeinsterMuiredach mac Ruadrach (8th-century–829) – king of LeinsterMuiredach mac Eochada (died 839) – king of the UlaidMuiredach mac Brain (died 885) – king of MunsterKey FactsMeaning: "lord, master" or "chieftain"Origin: Old Irish MuiredachType: First name (masculine)Usage Regions: Scotland, Ireland