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Suffragan diocese Peterborough, Canada

Diocese of Peterborough

Peterboroughen(sis)

Latin Church

The Diocese of Peterborough is a Latin Church diocese in central Ontario, erected in 1882. The see is sede vacante as of June 2026 after Bishop Daniel Miehm was transferred to the Diocese of London in April 2026, with no successor yet named.

On the map

Esri
Peterborough, Canada, drawn to the town rather than to the door: the register holds no verified address for its cathedral.

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Established
1882
Catholics
77,500
Priests
74
Territory
25,900 km²

Parishes and churches

83 listed churches in our records. Open a parish for Mass times, confession, directions and sources where recorded.

This is our recorded coverage, not an official diocesan parish count. Confirm service times with the parish before travelling.

The bishop

Bishop
Daniel Miehm
Born
27 August 1960
Birthplace
Kitchener

Explore the ministry of the bishop.

The cathedral

Cathedral of St. Peter-in-Chains stands in Peterborough, the church that holds the cathedra from which this see takes its name.

On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.

History

Kingston's ecclesiastical province in Ontario, Canada, counts among its suffragans the Diocese of Peterborough (Latin: Dioecesis Peterboroughensis), a Latin Church jurisdiction seated at the Cathedral of St. Peter-in-Chains in Peterborough, Ontario. Daniel J. Miehm, previously an auxiliary bishop of Hamilton, became Bishop of Peterborough by appointment of Pope Francis on March 10, 2017.