Regimental Number: 524255
Branch: Canadian Army Medical Corps
Mack was born in Langham, North Dakota on May 6, 1897. He was living in Arcola, Saskatchewan at the time of his enlistment in January of 1917. Mack served at the No. 2 Canadian General Hospital at Le Treport, France. In 1919, Mack filed on homesteads at NW 10-73-11-W6, NE 3-73-11-W6, and NE 36-72-11-W6. He canceled on all of them, though he was still living in Hythe in 1922, according the present address card in his service file.