MacCarthy MacCarthy MacCarthy (Irish: Mac Cárthaigh), also spelled Macarthy, McCarthy or McCarty, is a Gaelic Irish clan originating from Munster, an area they ruled during the Middle Ages. It was and continues to be divided into several great branches. The MacCarthy Reagh, MacCarthy of Muskerry, and MacCarthy of Duhallow dynasties were the three most important of these, after the central or MacCarthy Mór line. Their name, meaning "son of Cárthach" (whose name meant "loving"), is a common surname that originated in Ireland. As a surname, its prevalent spelling in the English language is McCarthy. Several variants are found, such as McCarty
Moran (surname) in north Mayo, surrounding the modern town of Ballina. Following the Norman invasion, their territory was usurped by the Barretts and Burkes and the sept lost its central organisation. The modern distribution of the surname within Mayo suggests that the Morans spread southwards and today are chiefly found in the central area of the county, particularly in the barony of Carra. Moran (surname) Moran () is a modern Irish surname and derived from membership of a medieval dynastic sept. The name means a descendent of "Mórán". “Mor” in Gaelic translates as big or great and “an” as the prefix the.