The surname McQuirke, found in Ireland, Scotland and The Isle of Man, is a modern form of the ancient Gaelic surname O' Cuirc, and the Manx Mac Cuirc, meaning the male descendant of, or the son of Corc. The personal name Corc originates from the pre 7th century word Corc, meaning " heart ".  The first recorded spelling of the family name is shown to be that of Ceinnedigh O' Cuirc, which was dated 1043, in the Manx Names lis, during the reign of King Edward of England, known as "The Confessor", 1042 - 1066. Today there are approximately 200 people with the last name McQuirk living in The United States.