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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Archbishop Leo
Archbishop's visit, 2024
Archbishop's visit to St Gregory and Holy Cross
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with priests and deacons
Jubilee Mass
The Jubilee Mass on January 29, 2025, at St. Gregory the Great
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Latest News
Hope
The Jubilee Year Mass
The Jubilee Mass on January 29, 2025, at St. Gregory the Great The last time St. Gregory the...
Image of Front Doors of St. Gregory the Great from outside
Festival of Faith at St George Anglican church in Oshawa
Festival of Faith at St George Anglican church in Oshawa on February 15, 2025. Pastor of St. George...
Theology of the Body
Natural Family Planning
Helping married couples live out the teachings of the Catholic Church  (https://bit.ly/NFP-Brochure-OFD...
Nativity Figurines
Christmas Message 2024
 A video of the Christmas Message for 2024 - https://youtu.be/gZW0wgngVPE
Events
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

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Clergy
Rev. Marijan Sisko
Pastor

Rev. Edward McGovern
Hospital Chaplain

Deacon David MacInnis
Deacon Assistant

Parish Staff
Jacqui Martin
Secretary
secretary@stgregorythegreat.ca
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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