Tabernacle at St. Gregory with word "Salus" visible
First Communion Program
Find out details of our parish's program for preparation for First Holy Communion and Reconciliation.
Image of Chrism Vial and Oil stock for use in anointing
Confirmation Program
Find out more about our parish's program for the preparation for the Sacrament of Confirmation.
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Letters of Reference
Letters of Reference for Catholic Teacher Applicants
John the Baptist closeup of small bronze
Sacrament of Baptism
Find out more about preparing for the Sacrament of Baptism for your child.
Tabernacle at St. Gregory with word "Salus" visible
Mass Schedule
Sunday 8am and 9:30am. Tuesday 12.10pm and  Friday 7pm.
Image of Sacred Heart in stained glass
Confession Schedule
Confession: Friday 6:00 pm -6:45 pm.
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Coat of Arms of Frank Cardinal Leo
Cardinal Leo's Message for the Archdiocesan Day for Palliative Care
Message for the Archdiocesan Day for Palliative Care26 October 2025His Eminence Frank Cardinal LeoMetropolitan Archbishop of Toronto I...
Image of Sacred Heart in stained glass
Message from Cardinal Leo on the Month of the Sacred Heart of Jesus
Message on the Month of the Sacred Heart of JesusHis Eminence Frank Cardinal LeoMetropolitan Archbishop of Toronto 1...
Summer camp
Totus Tuus
Totus Tuus Summer Camp is back at St. Gregory’s Parish   The Totus Tuus faith-based...
A pair of orange and yellow flowers
Catholic Education Week May 4-9, 2025
Catholic Education Week will take place this year throughout Ontario from May 4-9, 2025.Attached you will...
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194 Simcoe Street North
Oshawa, ON
L1G 4S9

 办事处/邮寄地址
194 Simcoe Street North
Oshawa, ON
L1G 4S9

t:  905.723.8141
e:  stgregorythegreat@archtoronto.org

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神职人员
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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