Auxiliary Bishop William T. McGrattan (2010 -    )

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William McGrattan, was born in 1956 and raised in London, Ontario. He completed a Bachelor’s of Engineering Science in Chemical Engineering from the University of Western Ontario in 1979. He worked as a chemical engineer for Polysar Limited in Sarnia before entering the St. Peter’s Seminary (London) in 1982. In 1987, McGrattan was ordained a priest for the Diocese of London.

Following his first assignment as associate pastor of St. Joseph’s parish in Chatham, Father McGrattan went to Rome for studies and received a Licentiate in Fundamental Moral Theology from the Pontificio Universita Gregoriana in 1992.

Father McGrattan served at St. Peter’s Seminary from 1992 to 2009 as lecturer, associate professor, vice-rector and dean of theology. He became rector of the seminary in 1997.  In 2007, he was named Episcopal Director of Formation and Support for the Diocese of London.

In November 2009, Pope Benedict XVI appointed him Auxiliary Bishop for the Archdiocese of Toronto.  Bishop McGrattan’s episcopal ordination took place at St. Peter’s Cathedral Basilica in London on January 12, 2010.  He serves as Bishop of the Western Region of Toronto.