In 1914 the large 86 stop Casavant Organ Opus #583 was built for Timothy Eaton Memorial Church by Casavant Freres Limiteé in Quebec. There were 95 ranks of pipes and also percussion instruments built in. In 1939 then the chancel was rebuilt it was necessary to dismantle the organ and change its location. In 1952 the console was replaced with a five manual console. In 1985 there was an upgrade of the multi memory system. In the years 1989 to 2001 more pipes were added to the organ, and now there are 101 ranks. The organ is tuned on a regular basis, which takes about four hours each time.