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Diocese of Siedlce

Dioecesis Siedlecensis

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  • Kazimierz Gurda, Bishop
  • Grzegorz Suchodolski, Auxiliary Bishop

General Information

  • Type of Jurisdiction: Diocese
  • Name Changed: 28 October 1925
  • Metropolitan: Archdiocese of Lublin
  • Depends on: Dicastery for Bishops
  • Rite: Latin (or Roman)
  • Country: Poland
  • Square Kilometers: 11,440 (4,418 Square Miles)
  • Official Web Site:
  • Mailing Address: Kuria Diecezjalna, ul. Pilsudskiego 62, 08-110 Siedlce, Polska
  • Telephone: (025)644.21.95
  • Fax: 644.87.44

Historical Details

Past and Present Ordinaries

Historical Summary

Diocese of Janów Podlaski (Podlaska o Janów)
30 June 1818ErectedDiocese of Janów Podlaski (Podlaska o Janów) (erected)
30 December 1889UnitedDiocese of Lublin
Diocese of Janów Podlaski (Podlaska o Janów)
Diocese of Lublin and Janów Podlaski (Podlaska o Janów)
Diocese of Janów Podlaski (Podlaska o Janów)
24 October 1918SplitDiocese of Lublin and Janów Podlaski (Podlaska o Janów) Diocese of Lublin
Diocese of Janów Podlaski (Podlaska o Janów)
30 October 1922Territory LostDiocese of Janów Podlaski (Podlaska o Janów) (Krasne) Diocese of Lublin
Diocese of Siedlce
28 October 1925Name ChangedDiocese of Janów Podlaski (Podlaska o Janów) Diocese of Siedlce
20 December 1929Territory LostDiocese of Siedlce (Beguty and Tąbor) Archdiocese of Warszawa {Warsaw}
28 March 1930Territory AddedDiocese of Pinsk (Orchów) Diocese of Siedlce
14 March 1936Territory AddedDiocese of Łomża (Kościół) Diocese of Siedlce
19 December 1936Territory AddedDiocese of Lublin (Krame) Diocese of Siedlce
1 April 1939Territory AddedDiocese of Lublin (Tilniki and Wladyslawów) Diocese of Siedlce
25 March 1992Metropolitan ChangedDiocese of Siedlce (from Warszawa)


YearCatholicsTotal PopulationPercent CatholicDiocesan PriestsReligious PriestsTotal PriestsCatholics Per PriestPermanent DeaconsMale ReligiousFemale ReligiousParishesSource
Diocese of Siedlce

Note: Any changes in boundaries over time are not indicated in the above table.

Affiliated Bishops, Living

Affiliated Bishops, Deceased


  • Diocese of Janów Podlaski (Podlaska o Janów)
    • Series Episcoporum Ecclesiae Catholicae, Volume 1, Page 361
  • Diocese of Siedlce
    • Acta Apostolicae Sedis, Volume 17, Page 521, to Page 528
    • Acta Apostolicae Sedis, Volume 22, Page 392
    • Acta Apostolicae Sedis, Volume 28, Page 207
    • Acta Apostolicae Sedis, Volume 29, Page 213, and Page 214
    • Acta Apostolicae Sedis, Volume 31, Page 345
    • Acta Apostolicae Sedis, Volume 84, Page 1,099, to Page 1,112
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