St. Gregory the Great Parish, Oshawa - St. Gregory the Great Parish, Oshawa

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.

Interior vew of St. Gregory's Church facing the sanctuary

Mass Schedule

Mass Times and Confession Times

Image of the Facade of St. Gregory the Great

Parish Financial Report

Financial information for 2023

Archbishop's visit, 2024

Archbishop's visit to St Gregory and Holy Cross

Christmas Message, 2024

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.

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.

Mass Schedule

Sunday 8am and 9:30am. Tuesday 12.10pm and Friday 7pm.

Confession Schedule

Confession: Friday 6:00 pm -6:45 pm.

Latest News

Pope Francis Elevates Archbishop Francis Leo to the College of Cardinals

Pope Francis has announced that Metropolitan Archbishop of Toronto, the Most Rev. Francis Leo will be elevated to...

Christmas Message 2024

A video of the Christmas Message for 2024 - https://youtu.be/gZW0wgngVPE

The Mystery of God

What? The Mystery of God: Who God Is and Why He Matters Who & why? We...

Youth Pilgrimage 2025

Jubilee of Youth 2025 Pilgrimage - From July 23, 2025 to August 5, 2025 Youth Pilgrimage Poster...

Events

Diving Deeper into Our Faith – Adult Formation Program

Are you interested in learning more about our Catholic faith? Do you...

Sep-18-2024 - Apr-02-2025

St. Peter's Church, 840 Bathurst St.

Bible Study on the Book of Prophet Jeremiah

The Mustard Seed Ministry, the Parish Adult Faith Formation Program of St...

Oct-21-2024 - Jun-23-2025

Virtual event via Zoom

Simbang Gabi at St. Anthony of Padua Parish

St. Anthony of Padua Parish invites you to Simbang Gabi - a devotional...

Dec-16-2024 - Dec-24-2024

St. Anthony of Padua Parish

Bible Studies

Do you seek to deepen you Faith and explore the teachings of...

Dec-16-2024 - Dec-29-2025

Our Lady of Perpetual Help Parish, 78 Clifton Rd.

A Festival of Prayer 2024: Lessons & Carols

AN IN-PERSON EVENT RECOMMENDED & SPONSORED BY THE OFFICE FOR PROMOTING...

Dec-22-2024 - Dec-22-2024

Yorkminster Park Baptist Church, 1585 Yonge St.

Devotion to Sacred Heart of Jesus and Immaculate Heart of Mary

Devotion to the Sacred Heart of Jesus is held every first Wednesday...

Jan-01-2025 - Jan-01-2025

Our Lady of Perpetual Help Parish, 78 Clifton Rd.

Bible & Beer: Baptized by Fire: A Transformative Encounter

Luke 3:15-16 invites us to consider the difference between water...

Jan-07-2025 - Jan-07-2025

St. Patrick’s Church, 137 McCaul St. (Enter through front Church doors)

Annual Symposium for the leadership of the Lay Organizations already recognized by the Archdiocese of Toronto

On Saturday, Jan. 11, 2025, 9 a.m. to 2 p.m...

Jan-11-2025 - Jan-11-2025

St. Edward the Confessor Parish, 75 Churchill Ave., North York

Healthy Communication, Intimacy, Relationship

HEALTHY COMMUNICATION, INTIMACY, RELATIONSHIP Build a joyful marriage by learning the tools...

Jan-17-2025 - Jan-19-2025

Queen of Apostles Renewal Centre, 1617 Blythe Rd., Mississauga

Annual Week of Prayer for Christian Unity Prayer Service 2025

AN IN-PERSON EVENT SPONSORED BY THE OFFICE FOR PROMOTING CHRISTIAN UNITY...

Jan-19-2025 - Jan-19-2025

North City Church, 377 Woodbridge Ave., Woodbridge

The Source - Holy Hour with Music

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

Jan-23-2025 - Jan-23-2025

St. Peter's Church, 840 Bathurst Street, Toronto

Ignite Ministry - Dinner and a Movie!

Join us on Friday, January 24 for Dinner and a Movie featuring...

Jan-24-2025 - Jan-24-2025

To be confirmed upon successful registration

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
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.

Contact the Parish

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194 Simcoe Street North, Oshawa, ON L1G 4S9

t: 905.723.8141

stgregorythegreat@archtoronto.org