where does the surname mccarthy come from
(Redirected from McCarthy (surname)). MacCarthy (Irish: Mac Carthaigh), cÃ¡rthaigh also McCarthy, mccarthy 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. brancheseveral variants are found, such as McCarty (most common in North America) as well as Carthy and Carty (though these latter are also the Anglicization of an unrelated name, O Ã³). carthaighcÃ¡rthaigh 60 % of people with the Surname in ireland still Live In county cork where the family was very powerful In The. middle ages