Joseph Boily was born on 31st December 1921 to Philippe and Albina Boily of Quebec City, Quebec, Canada. Little is known about his life before he enlisted into the RCAF, having completed his training in the UK he was posted to 408 Squadron in September 1943. It is believed that he was in the position of rear gunner in the Clark crew. He was twenty one years old when he died as a result of the crash of Lancester DS737 on 16th December 1943.

Joseph Boily was buried at Harrogate Stonefall Cemetery, Yorkshire.