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.

Totus Tuus Summer Camp

Day program: grades 1-6, Monday to Friday 9am-2:30pm, July 08-12, 2024, St Gregory’s Hall Evening program: grades 7-12, Sunday to Thursday, 7pm-9pm, July...

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

Life Teen Camp 2024

Each summer, our parish community collaborates with and hosts other parish's high schoolers and their leaders at Life Teen Camp

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

Archbishop Leo invites the Faithful to Join Novena for Saint Michael the Archangel

8 September 2024 Feast of the Nativity of the Blessed Virgin Mary Archdiocesan Celebration of Saint...

Youth Pilgrimage 2025

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

Marriage Prep Course at St. Leo the Great Catholic Church

About our marriage prep course that will be taking place at St. Leo the Great Catholic Church...

Life Teen Camp 2024

Opportunity for High School Students: Life Teen Camp 2024 From: Aaron Fernandes, Youth Minister Each summer, our parish...

Events

Holy Smoke: S'mores and More! Welcome to Fall!

Ignite! Young Adult Ministry (age 18-39) Join us for Holy Smoke...

Sep-17-2024 - Sep-17-2024

St. Patrick's Garden, 180 St. Patrick St., Toronto (enter off St. Patrick St.)

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.

ArchToronto Event Submission - Template.png

Spiritus West Social Kick-Off

Join us for Spiritus West's Social Kick Off, the perfect opportunity...

Sep-18-2024 - Sep-18-2024

Sts. Martha and Mary Parish

Taizé-Style Prayer

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

Sep-18-2024 - Sep-18-2024

Northlea United Church, 125 Brentcliffe Rd., Toronto

Vespers for the Season of Creation

Join us for an ecumenical celebration of the Season of Creation featuring...

Sep-19-2024 - Sep-19-2024

Church of St. Peter and St. Simon, 525 Bloor St. E.

Encuentro Matrimonial Mundial

Los invitamos a vivir el Fin de Semana del Encuentro Matrimonial Mundial...

Sep-20-2024 - Sep-22-2024

Queen of Apostles Renewal Centre, Mississauga

Worldwide Marriage Encounter Experience

Where are you in your marriage journey? Every marriage could use a...

Sep-20-2024 - Sep-22-2024

Queen of Apostles Renewal Centre

Feast of St. Padre Pio: A Three Day Event

First Church in Canada to Honour St. Padre Pio, Celebrates His Feast...

Sep-20-2024 - Sep-22-2024

St. Padre Pio, 5500 Major Mackenzie Dr., Kleinburg

Summertime and the Praying is Easy. - Silent Ignatian Retreat for Men and Women

Silent Ignatian Retreat for Men and Women. "Summertime and the Praying is...

Sep-20-2024 - Sep-22-2024

Manresa Jesuit Spiritual Renewal Centre, Pickering

Elevate Training Weekend

Training and formation for all youth and young adult ministry leaders returns...

Sep-21-2024 - Sep-22-2024

Dante Alighieri Academy, 2 St Andrews Blvd.

Music and Christian Spirituality

“Transcendent,” “otherworldly,” “heavenly,” “sublime&rdquo...

Sep-21-2024 - Sep-21-2024

Regis College St. Joseph Chapel or Online

Embrace Motherhood

Join our Catholic Moms Group Leader, Kayleigh Meneses Garcia, at Holy Martyrs...

Sep-21-2024 - Sep-21-2024

Holy Martyrs of Japan, 167 Essa St., Bradford

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