Donald Willard MacKay (January 3, 1874 â January 26, 1952) was a Canadian politician. He represented the electoral district of Queens in the Nova Scotia House of Assembly from 1928 to 1933. He was a Liberal-Conservative member.
MacKay was born in 1874 at Santa Rosa, California, and moved to Nova Scotia in 1877. He married Reta Cook, and was a tailor by career. MacKay served as mayor and town councillor in Liverpool, Nova Scotia. MacKay entered provincial politics in 1928 when he was elected in the dual-member Queens County riding with William Lorimer Hall. He did not reoffer in the 1933 election. MacKay died at Liverpool on January 26, 1952.