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Archdiocese of Toronto

Saint Gregory the Great

CallWebsite

Schedule updated Jul 16, 2026 · 10 services this week

This Weekend

Sunday

8:00 a.m.
Mass
9:30 a.m.
Mass

Weekly Schedule

Tuesday

12:10 p.m.
MassSt. Gregory the Great Parish, Oshawa

Friday

6:00 p.m. – 6:45 p.m.
ConfessionSt. Gregory the Great Parish, Oshawa
confessions are in the church
7:00 p.m.
MassSt. Gregory the Great Parish, Oshawa

Sunday

8:00 a.m.
MassSt. Gregory the Great Parish, Oshawa
9:30 a.m.
MassSt. Gregory the Great Parish, Oshawa

Special Events

Wed, Jul 22, 2026
Eight - Day Silent Retreat for Men & Women
Eight - Day Silent Retreat for Men & Women; ends Jul 30
Wed, Jul 22, 2026
The Bosnian Genocide: Learning from the Past for the FutureOnline
The Bosnian Genocide: Learning from the Past for the Future
Wed, Aug 12, 2026
Annual Mass for the Faithful Departed - 2026Multiple Locations
Annual Mass for the Faithful Departed - 2026
Tue, Aug 25, 2026
Bringing History to Life Through Survivor StoriesOnline
Bringing History to Life Through Survivor Stories
Tue, Sep 1, 2026
Season of Creation: Living Water
Season of Creation: Living Water; ends Oct 4

Other churches within 16 km

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Saint Gertrude's Parish, Oshawa
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Protection of the Mother of God (Byzantine Rite, Slovak; Services in English)
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Next: Today 7:00 PM
St. George the Great Martyr (Ukrainian)
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2.6 km
Next: Saturday 5:00 PM

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194 Simcoe Street North, Oshawa, Ontario L1G 4S9
+1-905-723-8141Visit Website →

Schedule updated Jul 16, 2026 · 10 services this week