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Latest News
Archdiocese to Support Humanitarian Relief in Nepal and Colombia
Two significant natural disasters in recent days have resulted in tremendous loss of life, widespread destruction and the...
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Holy Spirit
A Historic and Joyful Milestone at Holy Spirit Church
On September 13, 2026, the Holy Spirit Roman Catholic Church community in Scarborough gathered to celebrate its 70th...
Cardinal Leo's Message on the Solemnity of Saint Michael the Archangel
Message on the Solemnity of Saint Michael the Archangel27 September 2026His Eminence Frank Cardinal Leo Metropolitan Archbishop of...
Coat of Arms of Frank Cardinal Leo
St Michael
2026 Saint Michael Award Recipients Announced
The Archdiocese of Toronto is pleased to announce the recipients of the 2026 Saint Michael Award, recognizing distinguished...
Events
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Season of Creation: Living Water

AN EVENT PROMOTED BY THE OFFICE FOR ECUMENICAL AND INTERFAITH RELATIONS September...

Sep-01-2026 - Oct-04-2026
In-Person
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Propaganda, Media, and Critical Thinking

AN ONLINE COURSE RECOMMENDED BY THE OFFICE FOR ECUMENICAL AND INTERFAITH RELATIONSParticipants...

Sep-14-2026 - Sep-27-2026
Online
Magnifica Humanitas
Magnifica Humanitas: Encyclical Reading Group

A HYBRID EVENT RECOMMENDED BY THE OFFICE FOR ECUMENICAL AND INTERFAITH RELATIONSThis...

Sep-14-2026 - Dec-09-2026
Hybrid
Holy Trinity Statue
Windows on Theology: Remembering the Trinity: Exploring the Source and Summit of Life

Presented by Gordon Rixon, SJDate: Sept. 16, Sept. 30, Oct. 7, Oct...

Sep-16-2026 - Nov-04-2026
Regis College
Paul Baker scene
Silent Ignatian Retreat for Men & Women: Praying with the Sermon on the Mount

Ignatian Retreat for men & women: The Sermon on the Mount as...

Sep-18-2026 - Sep-20-2026
Manresa Jesuit Spiritual Renewal Centre
Annual Catholic Moms Group Leader Breakfast & Summit
Catholic Moms Group Leaders Breakfast & Summit (2026)

Do you lead a Catholic Moms Group at your parish—or...

Sep-19-2026 - Sep-19-2026
Le TrePort - 1075 Queensway E, Missississauga, ON
Prayer for Cancer Patients, Survivors & Terminally Ill
Prayer Service for the Sick and Suffering

We invite you to join us at Divine Retreat Centre Toronto for...

Sep-19-2026 - Sep-19-2026
69 William Street Toronto, ON M9N 2G6
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RISE -Young Adults Ministry

We warmly invite young adults aged 20-40 to join our prayer...

Sep-19-2026 - Sep-19-2026
69 William Street Toronto, ON M9N 2G6
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Our Lady of Good Counsel Mass with His Eminence Frank Cardinal Leo

Please join us for Holy Mass with His Eminence Frank Cardinal Leo...

Sep-20-2026 - Sep-20-2026
867 College Street (College St. West of Ossington)
Magnifica Humanitas
Magnifica Humanitas as Healing Medicine: AI Ethics, Governance, and Catholic Healthcare’s Preferential Option for the Poor (and the Person)

Objectives:1. Analyze the principal ethical challenges that artificial intelligence and emerging...

Sep-23-2026 - Sep-23-2026
Online Webinar (Zoom) – Registration Required
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North American Academy of Ecumenists Annual Conference: “The Common Good”

AN ONLINE EVENT RECOMMENDED BY THE OFFICE ECUMENINCAL AND INTERFAITH RELATIONSThe North...

Sep-25-2026 - Sep-27-2026
Online
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Young Professional Catholics of Toronto Arise Conference

ARISE: A Day to Renew Your Faith, Purpose and Calling Young Catholic...

Sep-26-2026 - Sep-26-2026
Canada Event Center: 300 Water St, Whitby, ON L1N
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11 Peter Street South
Mississauga, ON
L5H 2G1

 Office/Mailing Address
11 Peter Street South
Mississauga, ON
L5H 2G1

t:  905.278.2058
e:  stmarystaroftheseami@archtoronto.org

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Clergy
Rev. Laszlo Nagy
Pastor