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St. Mary's Cathedral
Calgary
AB
T2S 0C2
- Roman Catholic churches in Calgary, AB
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Who we are
St. Mary’s Cathedral is a vibrant, faith-filled Catholic community located in Calgary — committed to living the will of God, ministry to others, and the spiritual growth of its people.
Our Mission Statement
A vibrant, faith-filled Catholic Church Community committed to living the Will of God, ministry to others, and the spiritual growth of people.
Our Mission Statement
A vibrant, faith-filled Catholic Church Community committed to living the Will of God, ministry to others, and the spiritual growth of people.
Church Address
219-18 Avenue SW
Calgary,
AB
T2S 0C2
Canada
Phone: (403) 228-4170 (ext. 221)
Fax: (403) 244-1965
Download St. Mary's Cathedral vCard with Mass Times
Church Pastor
Rev. Avinash Colaco
Rector
219-18 Avenue SW
Calgary,
AB
T2S 0C2
Canada
Phone: (403) 228-4170 (ext. 227)
Fax: (403) 244-1965
Download Rector Rev. Avinash Colaco vCard
Quote of the Day
Philippians 3:10
That I may know him, and the power of his resurrection, and the fellowship of his sufferings, being made conformable unto his death;
That I may know him, and the power of his resurrection, and the fellowship of his sufferings, being made conformable unto his death;
Denomination
Roman Catholic
Roman Catholic churches in Calgary, Alberta, Canada
Roman Catholic churches in Alberta, Canada
Roman Catholic churches in Canada
All churches in Calgary, AB
Affiliations:
Diocese of Calgary
Website:
Social Media
St. Mary's Cathedral Calgary on YouTube
Leadership
Leader Name:
Rev. Avinash Colaco
Leader Position:
Rector
Formal Title:
Leader Address:
Tel:
Fax:
(403) 244-1965
Leader Email:
Leader Bio:
Other Church Leaders:
Associate Priest - Reverend Roy Jayamaha
Deacon - Reverend Mr. Dennis Foraie
In Residence - Reverend Sajo Puthussery
In Residence - Reverend Charles Pottie Pâté, sj
In Residence - Reverend William Stephenson
In Residence - Reverend Anthony Pudota
Deacon - Reverend Mr. Dennis Foraie
In Residence - Reverend Sajo Puthussery
In Residence - Reverend Charles Pottie Pâté, sj
In Residence - Reverend William Stephenson
In Residence - Reverend Anthony Pudota
Rev. Avinash Colaco on Social Media:
St. Mary's Cathedral Leadership Photos
Administration
Admin Name:
Maria Hernandez
Admin Position:
Administrative Assistant
Admin Address:
Telephone:
Fax:
(403) 244-1965
Admin Email:
Mailing Address
Driving Directions to St. Mary's Cathedral
Travel/Directions Tips
Parking
St. Mary's Cathedral Calgary Mass Times
Mass Times
WEEKDAYS
Monday to Friday: 7:30 AM & 5:00 PM
Wednesday: 7:00 PM (SFXC)
Saturday: 9:00 AM
(On statutory holidays, Mass is at 9 AM only)
WEEKENDS
Saturday: 5:00 PM
Sunday: 8:00 AM, 10:00 AM, 12:00 PM & 4:00 PM (SFXC)
Confessions
Tuesday to Saturday: 4:00 PM - 4:45 PM
Wednesday: 7:45 PM - 8:20 PM (SFXC)
Friday: 3:30 – 4:45 PM
Sunday: 3:00 PM - 3:45 PM (SFXC)
ADORATION
Wednesday: 7:45 PM - 8:30 PM (SFXC)
Friday: 3:30 – 4:45 PM
(No Adoration on Statutory holidays)
Mass Times last updated on the 6th of May, 2025
WEEKDAYS
Monday to Friday: 7:30 AM & 5:00 PM
Wednesday: 7:00 PM (SFXC)
Saturday: 9:00 AM
(On statutory holidays, Mass is at 9 AM only)
WEEKENDS
Saturday: 5:00 PM
Sunday: 8:00 AM, 10:00 AM, 12:00 PM & 4:00 PM (SFXC)
Confessions
Tuesday to Saturday: 4:00 PM - 4:45 PM
Wednesday: 7:45 PM - 8:20 PM (SFXC)
Friday: 3:30 – 4:45 PM
Sunday: 3:00 PM - 3:45 PM (SFXC)
ADORATION
Wednesday: 7:45 PM - 8:30 PM (SFXC)
Friday: 3:30 – 4:45 PM
(No Adoration on Statutory holidays)
Mass Times last updated on the 6th of May, 2025
Worship Languages
Dress code:
Children and Youth Activities
Under 12s:
Under 18s:
Local outreach & community activities:
Other activities & ministries
Special Needs/Accessibility:
Prayers and hymns:
Main Bible:
Hymns and Songs:
Other information:
Average Adult Congregation:
Average Youth Congregation:
Additional Info:
Office Hours:
8:30 – 12:00 pm and 12:30 – 3:30 pm.
8:30 – 12:00 pm and 12:30 – 3:30 pm.
St. Mary's Cathedral Photo Gallery
St. Mary's Cathedral History
History of St. Mary's
Our Lady of Peace Mission
1873 – Father Constantine Scollen founds Our Lady of Peace Mission, the first mission in southern Alberta.
1875 – Father Scollen and Father Leon Doucet move the mission to a hut near the site of what becomes Fort Calgary, then within months moves again to the present Holy Cross Hospital.
1882 – Father Lacombe takes charge of the mission.
1883 – Settlers in East Calgary build a church called St. Patrick.
1884 – Father Lacombe secures homestead property for the mission – the area known as the Mission District. A new mission building is erected on what is now the grounds of Sacred Heart Convent.
1884 – The CPR locates in an unexpected place. The settlers in East Calgary move to be near the railway, bringing St. Patrick church with them. The church is left on a temporary site.
1885 – The Sisters, Faithful Companions of Jesus arrive and are given the new mission building to serve as their convent. St. Patrick’s church is moved to the site of the present parish hall and renamed Our Lady of Peace.
The First St. Mary’s
1887 – The foundations are laid for a new church on the site of the present Cathedral.
1889 – The new Church, a sandstone building named St. Mary’s, is completed.
1905 – St. Mary’s parish hall (later the C.N.R. Station and now Alberta Ballet) is built.
1910 – Previously a mission church, the parish was canonically erected on April 26, 1910, by Bishop Legal under the name of the Immaculate Conception.
1912 – The Diocese of Calgary is formed.
1913 – John Thomas McNally becomes the first Bishop of Calgary. (Transferred to Hamilton, Ontario 1924, Died 1952)
1925 – John Kidd becomes Bishop. (Transferred to London, Ontario 1931. Died 1950)
1932 – Peter J. Monahan becomes bishop. (Transferred to Regina 1935. Died 1947)
1935 – Francis P. Carroll becomes bishop. (Officially resigned 1966. Died 1967)
St. Mary’s Cathedral
1955 – A new parish hall is built to serve as a church during the construction of the new St. Mary’s.
1957 – The new Cathedral is completed and consecrated on December 11.
1966 – Msgr. John S. Smith, rector of the cathedral for 42 years – (Deceased August 6, 1966).
1966 – Rev. Joseph Toole appointed Rector.
1967 – Francis J. Klein becomes bishop. (Died 1968)
1968 – Paul J. O’Byrne, a native born Calgarian, is ordained bishop of the Calgary Diocese.
1969 – Rev. Stanley Henke appointed Rector.1970 – Temporary renovations to conform with Vatican II directives on liturgy. Pastoral directions – Rector, Rev. Stan Henke.
1972 – Rev. Reginald P. Sullivan appointed Rector of St. Mary’s
1979 – Rev. James Jordan appointed Rector.
1982 – Rev. William S. Stephenson appointed Rector.
1988 – Interior renovation of St. Mary’s Cathedral. Pastoral directions – Rector, Bill Stephenson.
1993 – Rev. Lawrence J. Bagnall appointed Rector.
1997 – Celebration to mark the 40th Anniversary of the Dedication of the present St. Mary’s Cathedral to Our Lady of the Immaculate Conception.
1998 – Retirement of Bishop Paul O’Byrne. Bishop O’Byrne served as Bishop of Calgary for 31 years.
1998 – Bishop Frederick B. Henry of London, Ontario was installed as the seventh Bishop of Calgary on March 19, 1998.
2008 – Reverend Gregory Coupal appointed Rector.
2014 – Reverend Robert Dielissen appointed Rector.
2017 – Bishop W. T. McGrattan of Peterborough was installed as the eighth Bishop of Calgary on February 27, 2017.
2020 – Rev. John Nemanic appointed Rector.
2022 - Rev. Avinash Colaco appointed Rector.
Our Lady of Peace Mission
1873 – Father Constantine Scollen founds Our Lady of Peace Mission, the first mission in southern Alberta.
1875 – Father Scollen and Father Leon Doucet move the mission to a hut near the site of what becomes Fort Calgary, then within months moves again to the present Holy Cross Hospital.
1882 – Father Lacombe takes charge of the mission.
1883 – Settlers in East Calgary build a church called St. Patrick.
1884 – Father Lacombe secures homestead property for the mission – the area known as the Mission District. A new mission building is erected on what is now the grounds of Sacred Heart Convent.
1884 – The CPR locates in an unexpected place. The settlers in East Calgary move to be near the railway, bringing St. Patrick church with them. The church is left on a temporary site.
1885 – The Sisters, Faithful Companions of Jesus arrive and are given the new mission building to serve as their convent. St. Patrick’s church is moved to the site of the present parish hall and renamed Our Lady of Peace.
The First St. Mary’s
1887 – The foundations are laid for a new church on the site of the present Cathedral.
1889 – The new Church, a sandstone building named St. Mary’s, is completed.
1905 – St. Mary’s parish hall (later the C.N.R. Station and now Alberta Ballet) is built.
1910 – Previously a mission church, the parish was canonically erected on April 26, 1910, by Bishop Legal under the name of the Immaculate Conception.
1912 – The Diocese of Calgary is formed.
1913 – John Thomas McNally becomes the first Bishop of Calgary. (Transferred to Hamilton, Ontario 1924, Died 1952)
1925 – John Kidd becomes Bishop. (Transferred to London, Ontario 1931. Died 1950)
1932 – Peter J. Monahan becomes bishop. (Transferred to Regina 1935. Died 1947)
1935 – Francis P. Carroll becomes bishop. (Officially resigned 1966. Died 1967)
St. Mary’s Cathedral
1955 – A new parish hall is built to serve as a church during the construction of the new St. Mary’s.
1957 – The new Cathedral is completed and consecrated on December 11.
1966 – Msgr. John S. Smith, rector of the cathedral for 42 years – (Deceased August 6, 1966).
1966 – Rev. Joseph Toole appointed Rector.
1967 – Francis J. Klein becomes bishop. (Died 1968)
1968 – Paul J. O’Byrne, a native born Calgarian, is ordained bishop of the Calgary Diocese.
1969 – Rev. Stanley Henke appointed Rector.1970 – Temporary renovations to conform with Vatican II directives on liturgy. Pastoral directions – Rector, Rev. Stan Henke.
1972 – Rev. Reginald P. Sullivan appointed Rector of St. Mary’s
1979 – Rev. James Jordan appointed Rector.
1982 – Rev. William S. Stephenson appointed Rector.
1988 – Interior renovation of St. Mary’s Cathedral. Pastoral directions – Rector, Bill Stephenson.
1993 – Rev. Lawrence J. Bagnall appointed Rector.
1997 – Celebration to mark the 40th Anniversary of the Dedication of the present St. Mary’s Cathedral to Our Lady of the Immaculate Conception.
1998 – Retirement of Bishop Paul O’Byrne. Bishop O’Byrne served as Bishop of Calgary for 31 years.
1998 – Bishop Frederick B. Henry of London, Ontario was installed as the seventh Bishop of Calgary on March 19, 1998.
2008 – Reverend Gregory Coupal appointed Rector.
2014 – Reverend Robert Dielissen appointed Rector.
2017 – Bishop W. T. McGrattan of Peterborough was installed as the eighth Bishop of Calgary on February 27, 2017.
2020 – Rev. John Nemanic appointed Rector.
2022 - Rev. Avinash Colaco appointed Rector.
St. Mary's Cathedral Historical Photos
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