The first key society was founded at Dartmouth College in New Hampshire in the 1920's. The concept of the key society soon grew internationally and in 1956, fourth-year students Vic Rodgers and Dave Williams established the Garnet Key Society at Sir George Williams College, with the goal of giving back to the community.
The merging of Loyola College and the Sir George Williams College in 1974 gave birth to Concordia University and since then, the Society has been a prestigious organization of and for the university and community. On October 15, 1982, Concordia recognized the Garnet Key Society as its official honour society.