Mulcahy Surname
Mulcahy is a surname and Clan of Irish Gaelic origin. The anglicized form of "Ó Maolchathaigh" which in Gaelic means "a descendant of a devotee of Cathach". According to most sources the family originated in County Waterford. However the earliest mention of the family appears in the Annals of Inisfallen in 1317 AD and subsequent references in and around the Churches of County Kerry in the 15th century.