Image of Front Door of St. Gregory's Church
Welcome to St. Gregory the Great
Welcome to St. Gregory's. Our church is located at the southwest corner of Adelaide and Simcoe Streets, in central Oshawa.
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Interior vew of St. Gregory's Church facing the sanctuary
Mass Schedule
Mass Times and Confession Times
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Image of the Facade of St. Gregory the Great
Parish Financial Report
Financial information for 2023
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Blessed Sacrament
Jubilee Year Closing Mass
Join us for the closing Jubilee Mass at St. Gregory the Great on December 28 at 9:30 am.
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Ecumenical Event
Ecumenical Worship Service
Ecumenical Worship Service at St. Gregory the Great in Oshawa
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Young Man Praying
SPIRITUS DURHAM YOUNG ADULT EVENT
Calling all Young Adults Ages 19–39! Spiritus Durham invites you to a special evening
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Najnowsze wiadomości
Coat of Arms of Frank Cardinal Leo
Cardinal Leo's Message for World Day for Consecrated Life
Message for World Day for Consecrated Life2 February 2026His Eminence Frank Cardinal LeoMetropolitan Archbishop of Toronto   My...
Coat of Arms of Frank Cardinal Leo
Cardinal Leo Affirms Concerns of Canadian Bishops re: Bill C-9
5 December 2025 My dear brothers and sisters in Christ, I write to you today to convey my...
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...
Ecumenical Event
Ecumenical Worship Service
You are invited to join us at an ecumenical worship service during the 2026 Week of Prayer...
Wydarzenia
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Odwiedź nas
194 Simcoe Street North
Oshawa, ON
L1G 4S9

 Adres biura/korespondencyjny
194 Simcoe Street North
Oshawa, ON
L1G 4S9

t:  905.723.8141
e:  stgregorythegreat@archtoronto.org

Uzyskaj wskazówki
Duchowieństwo
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

Looking down a trail strewn with pine needles in a forest
Pandemic Journal
Listening to the quiet voice of Our Lord . . .
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Building Family Life
The power of God's love in couple and family life.
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A pair of orange and yellow flowers


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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