| Date | Age | Bishop | Title |
|---|
| unknown | 72.6 | Philip Bandini † | Bishop of Larino, Italy |
| unknown | | Germanos El-Khazen † | Archbishop of Damas (Maronite), Syria |
| unknown | 61.9 | François de Gain de Montaignac † | Bishop Emeritus of Tarbes, France |
| unknown | 67.0 | Antonio de San Firmino, O. Carm. † | Bishop-Elect of Santa Cruz de la Sierra, Bolivia |
| unknown | 68.7 | Francesco Saverio de Vita † | Titular Bishop of Philomelium |
| 4 Jan | 60.6 | Józef Ignacy Tadeusz Rybiński † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 9 Jan | 57.4 | Ján Révay † | Bishop of Spiš, Slovakia |
| 12 Jan | 76.0 | Manuel Abad y Lasierra, O.S.B. † | Bishop Emeritus of Astorga, Spain |
| 12 Jan | 76.9 | Joseph-Vincent de Beni † | Bishop Emeritus of Carpentras, France |
| 17 Jan | 62.4 | Pierre Denaut † | Bishop of Québec, Canada |
| 22 Jan | 79.9 | Francesco Brunone Fazzi † | Bishop of San Miniato, Italy |
| 23 Jan | 69.0 | Stefan Lewiński † | Bishop of Lutsk and Ostroh (Ukrainian), Ukraine |
| 23 Jan | 68.2 | Iwo Onufry Rogowski † | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 26 Jan | 61.8 | François de Fontanges † | Bishop of Autun, France |
| 4 Feb | 66.1 | Vincenzo Barisani, O.E.S.A. † | Bishop of Gerace, Italy |
| 9 Feb | 68.2 | Pierre-François Bienaymé † | Bishop of Metz, France |
| 12 Feb | 78.1 | Giovanni Battista Simon † | Archbishop of Sassari, Italy |
| 12 Feb | 65.2 | Andreas de Torres y Gómez † | Bishop-Elect of Oviedo, Spain |
| 13 Mar | 71.4 | Angelo Franceschi † | Archbishop of Pisa, Italy |
| 17 Mar | 76.1 | Agostino Gervasio, O.E.S.A. † | Archbishop of Capua, Italy |
| 17 Mar | 57.4 | Gabriel-Melchior de Messey † | Bishop of Valence, France |
| 23 Mar | 74.6 | Benedetto Maria dei Monti Sanfelice, O.S.B. † | Bishop of Nocera de’ Pagani, Italy |
| 14 Apr | 71.9 | Antonio Sentmenat y Castellá † | Cardinal, Patriarch of West Indies, Spain |
| 18 Apr | 40.0 | Pierre Trenchant, M.E.P. † | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China |
| 19 Apr | 48.2 | James Dillon † | Bishop of Kilmore, Ireland |
| 28 Apr | 84.3 | Charles-Antoine-Gabriel d’Osmond de Médavy † | Bishop Emeritus of (Saint-Bertrand de) Comminges, France |
| 10 May | 59.3 | [Ignace de Cazeneuve] † | Bishop Emeritus of [Hautes-Alpes (Constitutional), France] |
| 15 May | 48.5 | Felipe Antonio (Juan José) Pérez del Notario † | Bishop-Elect of Nicaragua |
| 17 May | 66.6 | Vincenzo Greco † | Bishop of Belcastro, Italy |
| 29 May | 59.9 | Elléon de Castellane-Mazangues † | Bishop of Toulon, France |
| 12 Jun | 76.7 | Stefano Domenico Sceriman, O.P. † | Bishop of Chioggia, Italy |
| 18 Jun | 66.2 | Vincenzo Ferretti † | Bishop of Rimini, Italy |
| 5 Jul | 84.8 | Arthur-Richard Dillon † | Archbishop of Narbonne, France |
| 12 Jul | 82.4 | Joseph-François d’Andigné de la Chasse † | Bishop Emeritus of Chalons-sur-Saône, France |
| 23 Jul | 68.0 | Michele Antonio Aymerich de Villamar † | Bishop of Ales e Terralba, Italy |
| 23 Jul | 65.3 | Johann Valentin Heimes † | Auxiliary Bishop of Worms, Germany |
| 6 Aug | 78.1 | Gaetano Maria Bonanno † | Bishop of Siracusa, Italy |
| 17 Aug | 63.8 | Francesco Bugliari † | Titular Bishop of Thagaste |
| 17 Aug | 73.6 | [Étienne Delcher] † | Bishop Emeritus of [Haute-Loire (Constitutional), France] |
| 19 Sep | 80.0 | Francisco de Ibarra y Herrera † | Archbishop of Caracas, Santiago de Venezuela |
| 21 Sep | 63.7 | Francisco Leitão de Carvalho, O. Cist. † | Bishop of Beja, Portugal |
| 28 Sep | 68.3 | Felice Paoli † | Bishop of Recanati e Loreto, Italy |
| 1 Oct | 43.9 | Etienne-Alexandre-Jean-Baptiste-Marie Bernier † | Bishop of Orléans, France |
| 10 Oct | 66.2 | Michele de Angelis † | Bishop of Gravina (di Puglia), Italy |
| 20 Oct | 91.0 | Mercuriale (Bartolomeo) Prati, O.S.B. † | Bishop of Forli, Italy |
| 23 Oct | 75.0 | Carlo Luigi Buronzo del Signore † | Archbishop Emeritus of Torino {Turin}, Italy |
| 30 Oct | 73.0 | Michelangelo della Peruta † | Bishop of Isernia, Italy |
| 1 Nov | 65.8 | Vincenzo Nicola Pasquale Dentice, O.S.B. † | Archbishop of Cosenza, Italy |
| 1 Nov | 75.5 | Ludwig (Johann Georg) Zöschinger, C.R.S.A. † | Priest of Confederation of Canons Regular of St. Augustine |
| 10 Nov | 75.8 | [André François Chaussy] † | Bishop |
| 25 Nov | 77.3 | Jean-François de La Marche † | Bishop of Saint-Pol-de-Léon, France |
| 2 Dec | 68.7 | [Jacques-André-Simon Le Fessier] † | Bishop Emeritus of [Orne (Constitutional), France] |
| 14 Dec | 68.1 | Antonino Riggio † | Bishop of Lipari, Italy |
| 17 Dec | 45.3 | Dionisio Ridolfini Conestabile † | Bishop of Viterbo e Tuscania, Italy |
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