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Diocese of Peterborough

Peterboroughen(sis)

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.

The see

Rank
Suffragan diocese
Tradition
Latin Church
Erected
11 July 1882
Latin
Peterboroughen(sis)
Patron
Saint Peter and Saint Patrick
Annuario code
001002587

The see in figures

Catholics
77,500
Population
440,300
Catholic shareof the people living within its bounds
17.6%
Priests
74
Catholics per priest
1,047
Extent
25,900 km²
Catholics per km²
3.0

Figures as recorded in the register, from the Annuario Pontificio and the see's own published statements. Shares and ratios are computed from the two figures shown beside them.

The bishop

Bishop
Daniel Miehm
Born
27 August 1960
Birthplace
Kitchener

A see whose chair stands empty is recorded as vacant rather than filled with a guess. On what a bishop is, see 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.

The province of Kingston

A suffragan of Archdiocese of Kingston.

The sees of this province:

On how the Church is ordered into provinces, see the diocese.

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.

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Sources

The see's own website · Wikipedia

Compiled from the published statements of the see and the references of the Holy See, among them the Annuario Pontificio. Corrections: hello@catholicintelligence.com.