Babies With Irish Heritage Will Feel An Unbreakable Bond To The Emerald Isle If Given The Boys Name McCarthy, Meaning "loving." Although Historically A Surname, McCarthy Is One Of Those Rare Gems Destined To Break Through The Mould. Its Shared In Part By American Novelist Cormac McCarthy, Who Wrote No Country For Old Men, And The Wonderfully Funny And Talented Melissa McCarthy. If Youre Looking For Something Shorter, Some Similar Forms Include Carthy And Carty.