Meaning A boy's name of Scottish origin, it means "Son of Kinley." Origin of MacKinley Scottish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen MacKinley Similar Names Kodi Melville Powell MacLaren MacAdhamh MacAuslan MacDomhnall MacGillivray MacNab MacNicol Year by Year Popularity of MacKinley