Drum Major William MacDougall MacKay, CD was the Senior Drum Major for the Warriors Day Parade Council. He was a member of the Royal Canadian Legion, Branch 66 North York and founding acting president of Clan MacKay Association of Canada. A life member of the Black Watch (R.H.R.) of Canada (Atlantic Branch), he was a member of the 48th Highlanders of Canada, Pipes and Drums Association and continuing Sergeants Mess.

Bill had an outstanding military career commencing with the P.P.C.L.I. (first battalion) 1949-1951, First Highland Battalion 1951-1952, Black Watch 2nd Highland Battalion 1952-1955, Regimental Depot 1955-1958, First Battlion Black Watch, Warrant Officer as Drum Major 1958-1969. Bill participated in the Edinborough Tattoo (twice) 1958-1964, Copenhagen Tattoo, Berlin Tattoo, Bermuda Tattoo, Nymegon Tattoo, Dartmoor, Wembley Tattoo, Earlscourt Tattoo, Seattle Tattoo, Centennial Tattoo (across Canada). Overseas he served in Korea, Germany, Cypress and the Gaza Strip.

Bill passed away on January 3, 1997.