All Saints Parish was established on June 15, 1964 (Decree of Erection signed by Archbishop Philip Pocock)

The First Mass was celebrated on June 21, 1964 in the  All Saints School yard with  750 people in attendance.  Between 1964 and 1967 Mass was celebrated at Scarlett Heights Collegiate.

All Saints Church was completed  in Canada’s Centennial year 1967. The first mass was celebrated in the Church by the Pastor Rev. Martin E. O’Grady, on All Saints Day, November 1st, 1967.

The Most Rev. Philip F. Pocock, D.D. coadjutor Archbishop of Toronto, solemnly blessed the new Church on Sunday, March 10th, 1968.