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.
Latest News
Cardinal Leo in Rome, May 5, 2025
Message from His Eminence Frank Cardinal Leo on the Preparation for the Election of the Roman Pontiff
Message on the Preparation for the Election of the Roman Pontiff5 May 2025His Eminence Frank Cardinal LeoMetropolitan Archbishop...
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...
Image of Jesus playing at feet of Mary
Message for the Month of the Blessed Mother
Message for the Month of the Blessed Mother1 May 2025His Eminence Frank Cardinal LeoMetropolitan Archbishop of Toronto
Events
Newman Foundation Wine & Cheese Fundraiser Poster
Newman Foundation Wine & Cheese Fundraiser

You're invited to an elegant evening of fine wine, gourmet cheese...

May-08-2025 - May-08-2025
Newman Centre Catholic Mission
Spiritus North Logo with Statue of Mother Mary
Spiritus North: Canada's Mary

Calling all young adults (ages 19 to 39)! Join us for the...

May-08-2025 - May-08-2025
Holy Martyrs of Japan Parish, 167 Essa St. Bradford
Blessed Carlo Acutis
Eucharistic Miracles of the World Exhibit at St. Joseph's Parish

Please join us as we host the Vatican approved Eucharistic Miracles of...

May-09-2025 - May-11-2025
200 Morrish Rd., Scarborough
Divine Retreat Centre Toronto Logo
Inner Healing Growth Retreat - May 10 and 11

The Inner Healing Growth Retreat will be held on May 10 and...

May-10-2025 - May-11-2025
69 William St., Toronto
Blue Flowers
Girl Talk - Mother/Daughter Tea

Calling all mothers, guardians of girls in Grades 6 to 8! The...

May-10-2025 - May-10-2025
St. Bernadette Parish Hall, 21 Bayly St. E., Ajax
Placing flowers on a grave
Day of Reflection & Prayer for the Bereaved

Day of Reflection & Prayer: "Where is God in my pain? How...

May-10-2025 - May-10-2025
Manresa Jesuit Spiritual Renewal Centre
2024 Mass for Neophytes
Neophyte Mass

Bishop John Boissonneau will preside at the annual Neophyte Mass to celebrate...

May-11-2025 - May-11-2025
St. Michael's Cathedral Basilica
Stained Glass Mary
Consecration to Jesus through Mary on May 13, 2025

Everyone is invited to consecrate themselves to Jesus through Mary (or to...

May-13-2025 - May-13-2025
Our Lady of Fatima Parish, 101 Malta Ave., Brampton
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Spiritus Central - Say Yes Like Mary: Courage, Conversion, and the Call of Fatima

You are invited to Spiritus Central’s last event of the...

May-13-2025 - May-13-2025
St. Peter's Parish, Toronto
Office for Promoting Christian Unity & Religious Relations with Judaism Logo
The Interfaith Bridge: Then and Now: A Night to Remember

AN EVENT RECOMMENDED BY THE OFFICE FOR PROMOTING CHRISTIAN UNITY AND RELIGIOUS...

May-14-2025 - May-14-2025
St. Paul's Bloor Street, 227 Bloor St. E.
The Source - Holy Hour
The Source - Holy Hour with Music

Join the Sisters of Life and the Office of Catholic Youth for...

May-15-2025 - May-15-2025
St. Peter's Church, 840 Bathurst Street, Toronto
2025 Toronto LGW Retreat Poster
Life-Giving Wounds: A Healing Retreat for Adult Children of Divorced or Separated Parents

The Life-Giving Wounds retreat invites participants to move through the broken...

May-16-2025 - May-18-2025
St. Augustine’s Seminary, Scarborough
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

Get Directions
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
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