Save Type Surname (from occupation) Usage Scottish (Archaic), Scottish Gaelic (Anglicized, Archaic) Pronounced Pron. mə-KLING-ən(English) [key] Other Forms FormsClingan Meaning & History Anglicized form of Gaelic Mac Gilla Fhinnéin meaning "son of the servant of Saint Finnian". The original Gaelic surname was also Anglicized as Mac Alingen.