Larche Avenue was named in honour of Flight Sergeant Joseph Armand G. Larche. He enlisted with the Royal Canadian Air Force and trained in Canada through the British Commonwealth Air Training Program. He was killed in action overseas while serving with the 425 Squadron on 11 November 1942 at 27 years of age. For his service, he was awarded the 1939-1945 Star, Air Crew Europe Star, Defence Medal, Canadian Volunteer Service Medal with clasp, and War Medal 1939-1945.
Larche Lake, located in Whiteshell Provincial Park, was also named in commemoration of Flight Sergeant Joseph Armand G. Larche.