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
McAuley (surname) McAuley (surname) Macaulay, McAuley, MacAuley, and Macauley are surnames in the English language. There are several etymological origins for the names: all of which originated as patronyms in several Gaelic languages—Irish and Scottish Gaelic. Although the English-language surnames are ultimately derived from Gaelic patronyms, the English-language surnames, and the modern Gaelic-language forms do not refer to the actual name of the bearer's father. The English-language surname is quite common in Ireland, particularly in Ulster and amongst Irish travellers. In some cases, the surnames are derived from the Scottish Gaelic "MacAmhalghaidh", and Irish "Mac Amhalghaidh". These Gaelic surnames translates into English