St. Patrick Cathedral - Thunder Bay, Ontario. A.D. 1641 The Jesuits first arrived in the Fort William area. A.D. 1848 Fathers Fremiot S.J. and Chone S.J. established a Catholic mission two miles from …More
St. Patrick Cathedral - Thunder Bay, Ontario.

A.D. 1641 The Jesuits first arrived in the Fort William area.
A.D. 1848 Fathers Fremiot S.J. and Chone S.J. established a Catholic mission two miles from Fort William on Mission Island.
A.D. 1891 The foundations of the original St. Patrick’s Church were put in place. It was built on the same corner of Archibald and Donald Streets where the present Cathedral now stands.
A.D. 1893 Jesuit Father Ludger Arpin, S.J. was appointed the first Pastor of St. Patrick’s Parish.
A.D. 1924 The first Diocesan Priest who was appointed Pastor of St. Patrick’s Parish was Rev. Msgr. P. J. Monahan. He was subsequently named Bishop of Calgary and then, Archbishop of Regina.
A.D. 1928 Opening of St. Patrick’s High School (also known as, Arpin Memorial).
A.D. 1952 (April 29) A decree was issued designating the City of Fort William the Episcopal See of the newly formed Diocese. St. Patrick’s Church was designated its first Cathedral shortly afterwards.
A.D. 1952 (August 22) The Episcopal Installation of Most Rev. E. Q. Jennings, our first Bishop. Rev. P. J. McGuire (later Monsignor) who had been Pastor of the Parish since A.D. 1931 was named the first Cathedral Rector.
A.D. 1955 (May 31) The Diocese was dedicated to Our Lady of Charity and St. Patrick was named the secondary Patron of the newly formed Diocese. These designations were officially approved in Rome by Pope Pius Xll on July 19, A.D. 1957.
A.D. 1963 (September 15) The cornerstone for the new Cathedral was set in place by Bishop E. Q. Jennings, our first bishop.
A.D. 1970 After the amalgamation of the twin cities of Port Arthur and Fort William, our Diocese was renamed from the former ‘Diocese of Fort William’ to ‘Diocese of Thunder Bay’ (‘Sinus Tonitralis’ is its official Latin name).

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