Scottish Meaning: The name MacKenzie is a Scottish baby name. In Scottish the meaning of the name MacKenzie is: Fair; favored one. 'Son of the fair man' or 'Son of Kenzie'.American Meaning: The name MacKenzie is an American baby name.In American the meaning of the name MacKenzie is: Fair; favored one.he name MacKenzie is a Scottish baby name. In Scottish the meaning of the name MacKenzie is: Fair; favored one. 'Son of the fair man' or 'Son of Kenzie'.