Mark John Aubry was born on November 24, 1954, in Noranda, Quebec, and learned to speak both English and French. He attended Merivale High School, and played hockey, football and baseball at school. Aubry began playing junior ice hockey as a centreman; he is listed at 6 feet tall, and 180 pounds, for the Ottawa M and W Rangers in the Central Canada Hockey League during the 1971–72 season. During the 1972–73 season, he was coached by future IIHF Hall of Fame inductee, Derek Holmes. Aubry won the most valuable player award and the sportsmanship award in the 1972–73 season with the Rangers, and won the sportsmanship award again in the 1973–74 season. He then played for the Ottawa Gee-Gees during the 1974–75 and 1975–76 seasons, while earning his medical degree. After playing, he worked as a trainer for the Gee-Gees.
