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 2024

Financial information for 2024

Jubilee Year Closing Mass

Join us for the closing Jubilee Mass at St. Gregory the Great on December 28 at 9:30 am.

Ecumenical Worship Service

Ecumenical Worship Service at St. Gregory the Great in Oshawa

SPIRITUS DURHAM YOUNG ADULT EVENT

Calling all Young Adults Ages 19–39! Spiritus Durham invites you to a special evening

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.

Dernières nouvelles

50 Years of Your Faith in Action Through ShareLife

On March 19, 1976, Archbishop Philip Pocock made a Declaration on Behalf of Life — a defining moment...

Message for Lent 2026 from His Eminence Frank Cardinal Leo

Lenten Message 2026His Eminence Frank Cardinal LeoMetropolitan Archbishop of Toronto My Dear Brothers and Sisters, May...

Interior view of St. Gregory's looking toward the altar

Special Jubilee Year of St. Francis

Please find the attached letter from Cardinal Leo on Celebrating the Special Jubilee Year of St. Francis. Special...

Empty Church with Cross and Ambo draped in purple

Cardinal Leo - Lenten Message 2026

My Dear Brothers and Sisters,May Jesus and Mary be in your hearts.As we enter into the...

Événements

40 Days for Life Toronto Lenten Campaign

You are warmly invited to take part in a peaceful and prayerful...

Feb-18-2026 - Mar-29-2026

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Silent Ignatian Retreat for Men: Soul-Making by Grace

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Mar-20-2026 - Mar-22-2026

Manresa Jesuit Spiritual Renewal Centre

17th Annual Dynamic Women of Faith Conference

Mar-21-2026 - Mar-21-2026

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A Journey Back to the Heart of God - Lenten Retreat for Young Adults

We invite all young adults (ages 19–39) to join us...

Mar-21-2026 - Mar-21-2026

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Day Retreat for Women: Healing and Forgiveness: How Identity Lies and Wounds...

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SPECIAL PRAYER SERVICE FOR SICK & SUFFERING - MARCH 21

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Mar-21-2026 - Mar-21-2026

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RISE - Young Adults Ministry - March 21

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Teaching Seder

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Eucharistic Miracles of the World Exhibit at Our Lady of the Airways Parish

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Entering Jerusalem with Jesus: A Holy Week Retreat

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Manresa Jesuit Spiritual Renewal Centre

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We Believe, A Musically Immersed Passion Play

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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 . . .

More Info

Building Family Life

The power of God's love in couple and family life.

More Info

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