Casavant Frères Ltée.
Opus 2521, 1959

In 1959-1960, Casavant Frères installed a new console and the Choir and Solo divisions were combined into one enlarged Choir division while other tonal additions and changes were made.
In 1964, Leggee Organ Co. installed a 4-rank Antiphonal division is installed in the rear gallery.
In 1998-1999, Denton Organ Co. carried out an extensive re-leathering operation and installed an electronic 32-foot stop to the Pedal division. In 2009, Denton Organ Co. rebuilt the console and added a 3-rank Principal chorus to the Antiphonal division.

Identified through on-line information from Stanley R. Scheer. -- Op. 2521 was a rebuild of Op. 395 (1910) that included a new four-manual console and several new stops and extensions. In 1987, the Swell division was converted to Pitman action.