Donald Hugh Mackay (March 22, 1914 Lethbridge, Alberta – January 26, 1979) was the 26th Mayor of Calgary, Alberta, Canada.He spent his youth in Calgary and Drumheller, receiving most of his public school education inDrumheller. In the early 1930s, Mackay settled with his family in Calgary. He was employed first by the Calgary Albertan and later for the radio station CJCJ.