| Date | Age | Bishop | Title |
| unknown | 59.6 | Elléon de Castellane-Mazangues † | Bishop of Toulon, France |
| unknown | 64.0 | Philippe-François d'Albignac de Castelnau † | Bishop of Angoulême, France |
| unknown | | Benedetto dei Monti Sanfelice † | Bishop of Nocera de’ Pagani, Italy |
| unknown | 62.0 | François de Gain de Montaignac † | Bishop Emeritus of Tarbes, France |
| unknown | 75.9 | Agostino Gervasio, O.S.A. † | Archbishop of Capua, Italy |
| unknown | 90.2 | Mercuriale Prati † | Bishop of Forli, Italy |
| unknown | | Serafino Vitale † | Bishop of Minori, Italy |
| 9 Jan | 57.4 | Ján Révay † | Bishop of Spiš, Slovakia |
| 12 Jan | 76.1 | Manuel Abad Lasierra † | Bishop Emeritus of Astorga, Spain |
| 12 Jan | 77.0 | Joseph-Vincent de Beni † | Bishop Emeritus of Carpentras, France |
| 17 Jan | 62.5 | Pierre Denaut † | Bishop of Québec, Québec, Canada |
| 22 Jan | 79.9 | Francesco Brunone Fazzi † | Bishop of San Miniato, Italy |
| 23 Jan | 68.2 | Iwo Onufry Rogowski † | Auxiliary Bishop of Chelmno (Culma), Poland |
| 26 Jan | 61.9 | François de Fontanges † | Bishop of Autun, France |
| 9 Feb | 68.3 | Pierre-François Bienaymé † | Bishop of Metz, France |
| 13 Mar | 71.4 | Angelo Franceschi † | Archbishop of Pisa, Italy |
| 17 Mar | 58.2 | Gabriel-Melchior de Messey † | Bishop of Valence, France |
| 14 Apr | 72.0 | Antonio Sentmanat y Castellá † | Cardinal, Patriarch of West Indies, Antilles |
| 18 Apr | 40.0 | Pierre Trenchant, M.E.P. † | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan), China |
| 28 Apr | 84.3 | Charles-Antoine-Gabriel d'Osmond de Médavy † | Bishop Emeritus of (Saint-Bernard de) Comminges, France |
| 15 May | 48.6 | Felipe Antonio (Juan José) Pérez del Notario † | Bishop-Elect of León en Nicaragua |
| 12 Jun | 77.4 | Stefano Domenico Sceriman † | Bishop of Chioggia, Italy |
| 5 Jul | 84.8 | Arthur-Richard Dillon † | Archbishop of Narbonne, France |
| 12 Jul | 82.5 | Joseph-François d'Andigné de la Chasse † | Bishop Emeritus of Chalons-sur-Saône, France |
| 23 Jul | 68.0 | Michele Antonio Aymerich † | Bishop of Ales e Terralba, Italy |
| 23 Jul | 65.4 | Johann Valentin Heimes † | Auxiliary Bishop of Worms, Germany |
| 6 Aug | 78.2 | Gaetano Maria Bonanno † | Bishop of Siracusa, Italy |
| 19 Sep | 80.0 | Francisco de Ibarra y Herrera † | Archbishop of Caracas, Santiago de Venezuela |
| 21 Sep | 63.8 | Francisco Leitão de Carvalho † | Bishop of Beja, Portugal |
| 1 Oct | 43.9 | Etienne-Alexandre-Jean-Baptiste-Marie Bernier † | Bishop of Orléans, France |
| 23 Oct | 75.0 | Carlo Luigi Buronzo del Signore † | Archbishop Emeritus of Torino {Turin}, Italy |
| 7 Nov | 65.8 | Vincenzo Nicola Pasquale Dentice, O.S.B. † | Archbishop of Cosenza, Italy |
| 25 Nov | 77.9 | Jean-François de La Marche † | Bishop of Saint-Pol-de-Léon, France |
| 14 Dec | 68.1 | Antonino Reggio † | Bishop of Lipari, Italy |
| 17 Dec | 45.3 | Dionisio Ridolfini Conestabile † | Bishop of Viterbo e Tuscania, Italy |