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Coat of Arms of Frank Cardinal Leo
Message for Lent 2026 from His Eminence Frank Cardinal Leo
Lenten Message 2026His Eminence Frank Cardinal LeoMetropolitan Archbishop of Toronto   My Dear Brothers and Sisters,  May...
Empty Church with Cross and Ambo draped in purple
Cardinal Leo - Lenten Message 2026
My Dear Brothers and Sisters,May Jesus and Mary be in your hearts.As we enter into the...
ShareLIfe Logo repeat several times
SharedLife Campaign 2025 - Thank you Message from Cardinal Leo
Dear Brothers and Sisters in the Lord,I write to you with a grateful heart to thank you...
Interior view of St. Gregory's looking toward the altar
SPIRITUS DURHAM YOUNG ADULT EVENT
Calling all Young Adults Ages 19–39! Spiritus Durham invites you to a special evening, “Angels...

Proclaiming Christ
Listening to the Voice of God and Following Through
Visit Us
194 Simcoe Street North
Oshawa, ON
L1G 4S9

Office/Mailing Address
194 Simcoe Street North
Oshawa, ON
L1G 4S9

t:  905.723.8141
e stgregorythegreat@archtoronto.org


Clergy
Rev. Marijan Sisko
Pastor

Rev. Edward McGovern
Hospital Chaplain

Deacon David MacInnis
Deacon Assistant

Parish Staff
Jacqui Martin
Secretary
stgregorythegreat@archtoronto.org
905-723-8141



Living Our Baptism in Our Parish
Help to build up the life we have received in Christ by sharing the gifts you have received: In Christ's Spirit, Through your human talents, and with your material resources.
Prayer
Join in prayer in new ways with others.
Human Gifts and Service
Use your gifts to build up the life of the Gospel.
Material Support
Support the parish and charities who further the mission of Christ.

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