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Roman Catholic Diocese of Buffalo: Wikis


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Diocese of Buffalo
Dioecesis Buffalensis
Basic information
Location Buffalo, New York, United States
Territory Western New York (Counties of Erie, Niagara, Genesee, Orleans, Chautauqua, Wyoming, Cattauraugus, and Allegany, New York)
Population 686,355 Catholics
Rite Roman Rite
Patron St. Joseph
Ecclesiastical province Archdiocese of New York
Established April 23, 1847
Cathedral St. Joseph Cathedral
Bishop Bishop of Buffalo
Website Diocese of Buffalo
Current leadership
Pope Benedict XVI
Metropolitan Timothy Dolan

Archbishop of New York

Diocesan Bishop Edward U. Kmiec

Bishop of Buffalo

Auxiliary bishops Edward M. Grosz

Auxiliary Bishop of Buffalo

The Diocese of Buffalo is a Catholic diocese headquartered in Buffalo, New York, USA. The current Bishop is the Most Rev. Edward U. Kmiec.

The Diocese of Buffalo was established 23 April 1847. It consists of Erie, Niagara, Genesee, Orleans, Chautauqua, Wyoming, Cattaraugus, and Allegany counties. It was set apart from the great Diocese of New York and the See located at Buffalo on Lake Erie, the territory comprising nearly one-third of the State of New York. In 1868 the Diocese of Rochester was formed from the eastern counties of this territory; and in 1896, after Bishop Stephen Vincent Ryan's death, four more counties, Steuben, Schuyler, Chemung, and Tioga, were taken from the Diocese of Buffalo and added to the Rochester jurisdiction.

The Diocese covers 6,455 square miles (16,720 km2) and has a Catholic population of 702,884.


  1. John Timon, C.M. † (23 April 1847 Appointed - 16 April 1867 Died)
  2. Stephen Michael Vincent Ryan, C.M. † (3 March 1868 Appointed - 10 April 1896 Died)
  3. James Edward Quigley † (12 December 1896 Appointed - 8 January 1903 Appointed, Archbishop of Chicago)
  4. Charles Henry Colton † (10 June 1903 Appointed - 9 May 1915 Died)
  5. Dennis Joseph Dougherty † (6 December 1915 Appointed - 1 May 1918 Appointed, Archbishop of Philadelphia)
  6. William Turner † (10 March 1919 Appointed - 10 July 1936 Died)
  7. John Aloysius Duffy † (5 January 1937 Appointed - 27 September 1944 Died)
  8. John Francis O'Hara, C.S.C. † (10 March 1945 Appointed - 23 November 1951 Appointed, Archbishop of Philadelphia)
  9. Joseph Aloysius Burke † (9 February 1952 Appointed - 16 October 1962 Died)
  10. James Aloysius McNulty † (12 February 1963 Appointed - 4 September 1972 Died)
  11. Edward Dennis Head † (23 January 1973 Appointed - 18 April 1995 Retired)
  12. Henry Joseph Mansell (18 April 1995 Appointed - 20 October 2003 Appointed, Archbishop of Hartford)
  13. Edward Urban Kmiec (12 August 2004 Appointed - )

High schools



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