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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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Parish Financial Report 2024
Financial information for 2024
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Easter Message, 2026
Easter Message from Fr. Marijan
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Eucharist
Mass Calendar in Durham
Weekdays and Sunday Masses Around Durham Region
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Blessed Sacrament
Holy Week Schedule for St. Gregory's & Holy Cross, 2026
Holy Week Schedule for St. Gregory's & Holy Cross - Confession and Celebration timings.
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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.
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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
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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.
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Confession Schedule
Confession: Friday 6:00 pm -6:45 pm.
Dernières nouvelles
Coat of Arms of Frank Cardinal Leo
Cardinal Leo's Message for Canada Day
Message of His Eminence Cardinal Frank LeoMetropolitan Archbishop of TorontoCanada Day – July 1, 2026 My Dear Brothers...
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A Warm Welcome to Visitors for the World Cup
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Cardinal Leo's Message for Canada Day (July 1, 2026)
Message of His Eminence Cardinal Frank Leo Metropolitan Archbishop of Toronto Canada Day – July 1, 2026My Dear...
Image of Sacred Heart in stained glass
Archdiocese of Toronto Celebrates the Ordination of Four Priests
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Événements
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The Book of Deuteronomy and the Civic Society

AN ONLINE EVENT RECOMMENDED BY THE OFFICE FOR ECUMENICAL AND INTERFAITH RELATIONSThis...

Jun-29-2026 - Jun-29-2026
Online
A Bible opened on a table with a rosary laying on top of it
BIBLE CONVENTION

Dear Faithful, We warmly invite you to attend Bible Convention 2026 at...

Jul-03-2026 - Jul-05-2026
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Summer Street Patrol

July 8 to September 2, 20266:30 pm to 9:30 p...

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Jul-22-2026 - Jul-30-2026
Manresa Jesuit Spiritual Renewal Centre
The Eucharist being held up by a priest in front of a stained glass window
125th Anniversary of St. John the Evangelist, Caledon

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Couple standing with priest
Marriage Preparation Course Fall 2026

Where: Our Lady of Lourdes Church (Library and Loyola Halls, 2nd floor...

Sep-26-2026 - Oct-04-2026
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World Youth Day Mass with Cardinal Leo

Join OCY for the Archdiocese World Youth Day Mass 2026, open to...

Nov-21-2026 - Nov-21-2026
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World Youth Day Interest Form

The Office of Catholic Youth (OCY) is excited to begin gathering interest...

Aug-03-2027 - Aug-08-2027
Seoul Korea
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Visitez-nous
194 Simcoe Street North
Oshawa, ON
L1G 4S9

 Bureau/Adresse postale
194 Simcoe Street North
Oshawa, ON
L1G 4S9

t:  905.723.8141
e:  stgregorythegreat@archtoronto.org

Obtenir l'itinéraire
Clergé
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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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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