| Date | Age | Bishop | Title |
|---|
| unknown | 55.3 | Agostino Andriani † | Bishop of Mottola (Motula), Italy |
| unknown | 86.6 | Giuseppe Aluffi † | Bishop Emeritus of Bagnoregio (Bagnorea), Italy |
| unknown | 64.0 | Louis-Henri de Bruyère de Chalabre † | Bishop of Saint-Pons-de-Thomières, France |
| unknown | 75.4 | Gian Leonardo Maria Di Fusco, O.P. † | Bishop of Acerra, Italy |
| unknown | | Joachim Daszkiewicz Horbacki † | Bishop Emeritus of Pińsk-Turaŭ (Ukrainian), Belarus |
| unknown | | Jérémie Arsène Karamé † | Bishop of Damas (Melkite Greek), Syria |
| unknown | 66.5 | Raffaele Pasca, O.S.B. † | Bishop of Teano, Italy |
| unknown | 76.8 | José Maria Sisto y Britto, C.R. † | Bishop of Sora, Italy |
| 1 Jan | 84.0 | Giacinto Giustiniani, O.P. † | Bishop Emeritus of Syros (e Milos), Greece |
| 5 Jan | 78.5 | Philipp Gotthard von Schaffgotsch † | Bishop of Wrocław (Breslau), Poland |
| 7 Jan | 62.7 | Alonso Marcos de Llanes Argüelles † | Archbishop of Sevilla {Seville}, Spain |
| 7 Jan | 80.0 | Nicolas de La Pinte de Livry, O. Praem. † | Auxiliary Bishop Emeritus of Mâcon, France |
| 12 Jan | 78.2 | Giovanni Baptista Santonini † | Titular Bishop of Famagusta |
| 15 Jan | 84.3 | Antonino Ganini † | Archbishop of Santa Severina, Italy |
| 18 Jan | 59.6 | Andrea Corsini † | Cardinal, Cardinal-Bishop of Sabina |
| 29 Jan | 69.0 | Ferdinand-Marie de Lobkowitz † | Bishop of Gent {Ghent, Gand}, Belgium |
| 14 Feb | 64.4 | Franz Ludwig von Erthal † | Bishop of Würzburg, Germany |
| 16 Feb | 54.2 | Antonio Siciliani, C.R.L. † | Bishop of Aquino e Pontecorvo, Italy |
| 18 Feb | 55.7 | Filippo Campanelli † | Cardinal, Cardinal-Deacon of San Cesareo in Palatio |
| 20 Feb | 65.4 | Esteban Antonio Aguado Rojas † | Bishop of Pamplona, Spain |
| 24 Feb | 67.6 | Thomas Joseph Talbot † | Vicar Apostolic of Midland District, England, Great Britain |
| 3 Mar | 52.3 | Dominique de Lastic Fournels † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| 27 Mar | 72.4 | Franz Xaver Kalatay † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 5 Apr | 66.1 | [Hugues Pelletier] † | Bishop Emeritus of [Maine-et-Loire (Constitutional), France] |
| 13 Apr | 61.6 | Giulio Cesare Zollio † | Apostolic Nuncio to Bavaria |
| 8 May | 77.8 | José Laplana y Castellón † | Bishop of Tarazona, Spain |
| 8 May | 57.1 | Joachim-François-Mamert de Conzié † | Archbishop of Tours, France |
| 17 May | 85.3 | Michael Fadel † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 27 May | 69.6 | Pedro Rubio-Benedicto Herrero † | Bishop of Jaén, Spain |
| 8 Jun | 76.4 | Giovanni Coccoli † | Bishop of Vulturara e Montecorvino, Italy |
| 16 Jun | 58.6 | Pasquale Martini † | Bishop of Città Ducale, Italy |
| 16 Jun | 72.6 | Domingos da Encarnação Pontével, O.P. † | Bishop of Mariana, Brazil |
| 29 Jun | 69.0 | Laurence Arthur Nihill † | Bishop of Kilfenora, Ireland |
| 5 Jul | 60.0 | Luigi Amici † | Archbishop of Camerino, Italy |
| 10 Jul | 59.8 | Bartolomé Fabro Palacios † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 13 Jul | 64.9 | Joseph Antoine Cocatrix, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
| 15 Jul | 77.1 | Felipe Pérez Santa María † | Auxiliary Bishop of Toledo, Spain |
| 22 Jul | 65.5 | Ambrogio (Paulo Maria Michael) Mirelli, O.S.B. † | Archbishop of Chieti, Italy |
| 24 Jul | 78.1 | Giovanni Rondinelli † | Bishop of Comacchio, Italy |
| 30 Jul | 72.5 | Giovanni Crisostomo de Clugny, O.F.M. Conv. † | Archbishop of Durrës (Durazzo) (Albanian), Albania |
| 30 Jul | 69.4 | Urbain-René de Hercé † | Bishop of Dol, France |
| Aug | | Luc d’Aïntab † | Bishop of Marasc (Armenian), Turkey |
| 21 Aug | 61.5 | Joseph Franz Anton von Auersperg † | Cardinal, Bishop of Passau, Germany |
| 14 Sep | 71.7 | Berndard-Emmanuel (François-Pierre) de Lenzbourg, O. Cist. † | Bishop of Lausanne, Switzerland |
| 21 Sep | 67.8 | Guglielmo Pallotta † | Cardinal, Prefect of the Congregation of the Council |
| 25 Sep | 74.8 | Sebastián Malvar y Pinto, O.F.M. † | Archbishop of Santiago de Compostela, Spain |
| 30 Sep | 56.2 | Carlo Giuseppe Pistone † | Bishop of Alessandria (della Paglia), Italy |
| 30 Sep | 59.1 | Giuseppe Vinci † | Apostolic Nuncio |
| 21 Oct | | Francesco Antonio Fracchia † | Vicar Apostolic of Constantinople, Turkey |
| 22 Nov | 71.9 | Luis Tomás Esteban de Piña y Mazo, O.S.B. † | Bishop of Yucatán (Mérida), México |
| 4 Dec | 83.0 | Paolo Francesco Antamori † | Cardinal, Bishop of Orvieto, Italy |
| 8 Dec | 57.1 | José Boltas, O.F.M. Disc. † | Bishop of Urgell, Spain |
| 11 Dec | 89.8 | Giorgio Maria Lascaris, C.R. † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 13 Dec | 69.5 | Venanzio Felice Scotti † | Bishop of Šibenik (Knin), Croatia |
| 18 Dec | 67.1 | Fernando Spinelli † | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 22 Dec | 64.0 | Ferenc Xavier Splényi † | Bishop of Vác, Hungary |
| 23 Dec | 63.9 | Giovanni Battista Rivellini † | Archbishop of Brindisi, Italy |
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