| Date | Age | Bishop | Title |
| unknown | 74.7 | Abraham Chasciùr † | |
| unknown | 54.0 | Agostino Franco † | Titular Bishop of Hermopolis Maior |
| 1 Jan | 76.1 | Gerardus Petrus Wilmer † | Bishop of Haarlem, Netherlands |
| 2 Jan | 69.5 | Paolo Brunoni † | Titular Patriarch of Antiochia {Antioch} |
| 22 Jan | 47.2 | Luigi Paggi (Poggi) † | Bishop Emeritus of Rimini, Italy |
| 6 Feb | 65.0 | Francisco de Sales Crespo y Bautista † | Bishop of Mondoñedo, Spain |
| 15 Feb | 59.1 | Giovanni Monetti † | Bishop of Cervia, Italy |
| 16 Mar | 82.4 | John Bede Polding, O.S.B. † | Archbishop of Sydney, Australia |
| 19 Mar | 83.2 | Jean-Jacques-Marie-Antoine Guerrin † | Bishop of Langres, France |
| 26 Mar | 65.8 | Bernardino Medina y Moreno † | Bishop of Cartagena, Colombia |
| 30 Mar | 47.6 | José Ignacio Checa y Barba † | Archbishop of Quito, Ecuador |
| 31 Mar | 72.5 | Louis-Théophile Pallu (Palluc) du Parc † | Bishop Emeritus of Blois, France |
| 2 Apr | 57.5 | Charles-François-Calixte Morisson † | Priest of Montréal, Québec, Canada |
| 11 Apr | 67.2 | Pierre Maria Bataillon, S.M. † | Vicar Apostolic Emeritus of Central Oceania, Tonga |
| 17 Apr | 71.2 | Charles-Maria Saisson, O. Cart. † | Minister General of Carthusian Order |
| 21 Apr | 76.0 | Luigi Vannicelli Casoni † | Cardinal, Archbishop of Ferrara, Italy |
| 28 Apr | 76.2 | Giuseppe Luigi Trevisanato † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 8 May | 76.6 | Jean-Pierre Mabile † | Bishop of Versailles, France |
| 10 May | 50.8 | Michel-Esther Leturdu, M.E.P. † | Vicar Apostolic of Malacca-Singapore |
| 16 May | 61.4 | Francisco Javier Rodríguez † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 23 May | 74.8 | Pierre-Antoine-Marie Lamouroux de Pompignac † | Bishop of Saint-Flour, France |
| 26 May | 85.9 | Luigi Ricci † | Bishop of Segni, Italy |
| 1 Jun | 69.0 | Joannes Philibertus Deppen † | Auxiliary Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| 9 Jun | 74.1 | Félix Fournier † | Bishop of Nantes, France |
| 23 Jun | 65.2 | Pietro Anacleto Siboni † | Bishop of Albenga, Italy |
| 26 Jun | 92.4 | Lorenzo Giovanni Battista Biale † | Bishop of Ventimiglia, Italy |
| 28 Jun | 65.6 | Jacques-Maurice des Landes d’Aussac de Saint Palais † | Bishop of Vincennes, Indiana, USA |
| 30 Jun | 48.8 | Joseph-Frédéric Saivet † | Bishop of Perpignan-Elne, France |
| 8 Jul | 85.2 | Filippo de Angelis † | Cardinal, Archbishop of Fermo, Italy |
| 13 Jul | 78.1 | José Antonio de la Peña y Navarro † | Bishop of Zamora, Michoacán, México |
| 13 Jul | 65.5 | Wilhelm Emmanuel von Ketteler † | Bishop of Mainz, Germany |
| 14 Jul | 67.0 | François-André-Xavier de Gaffory † | Bishop of Ajaccio, France |
| 23 Jul | 60.0 | Thomas-Casimir-François de Ladoue † | Bishop of Nevers, France |
| 14 Aug | | Nerses Haleblian † | Bishop of Sivas {Sebaste} (Armenian), Turkey |
| 26 Aug | 75.2 | Giuseppe Andrea Bizzarri † | Cardinal, Prefect of the Roman Curia - Other |
| 27 Aug | 67.9 | Luigi Maria de Marinis † | Archbishop of Chieti, Italy |
| 31 Aug | 57.2 | Emmanuele Kaubeck † | Bishop of Adria, Italy |
| 4 Sep | 71.0 | Ivan Josip Vitezić † | Bishop of Krk (Veglia), Croatia |
| 7 Sep | 69.9 | Bonaventura Attanasio, C.Ss.R. † | Bishop Emeritus of Lipari, Italy |
| 8 Sep | 76.5 | Louis Amadeus Rappe † | Bishop Emeritus of Cleveland, Ohio, USA |
| 9 Sep | 68.2 | Miguel Navarro, O.F.M. Ref. † | Vicar Apostolic of Honan {Ho-Nan}, China |
| 10 Sep | 75.6 | Augustin Pavel Wahala † | Bishop of Litoměřice, Czechia |
| 11 Sep | 55.5 | Isidoro Valls y Pascual † | Bishop of Gerona, Spain |
| 29 Sep | 66.8 | Sisto Riario Sforza † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 1 Oct | 63.1 | David Moriarty † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 3 Oct | 63.1 | James Roosevelt Bayley † | Archbishop of Baltimore, Maryland, USA |
| 7 Oct | 65.2 | Filippo Vespasiani † | Bishop of Fano, Italy |
| 15 Oct | 81.4 | Jean Sarrabeyrouse (Sarebayrouze), O.M.V. † | Auxiliary Bishop of Ajaccio, France |
| 16 Oct | 83.1 | Johannes Zwijsen (Zwysen) † | Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| 17 Oct | 44.3 | José María Lizarzabaru y Borja, S.J. † | Bishop of Guayaquil, Ecuador |
| 18 Oct | 66.7 | Annibale Capalti † | Cardinal, Prefect of the Congregation for Studies |
| 22 Oct | 82.9 | José María Riofrío y Valdivieso † | Archbishop Emeritus of Quito, Ecuador |
| 24 Oct | 73.3 | Gregor (Leonhard Andreas) von Scherr, O.S.B. † | Archbishop of München und Freising {Munich}, Germany |
| 31 Oct | 70.8 | Simone Spilotros, O. Carm. † | Bishop of Tricarico, Italy |
| 22 Nov | 81.2 | Giovanni Battista Pellei † | Bishop of Acquapendente, Italy |
| 29 Nov | 37.9 | Ioan Olteanu † | Bishop of Oradea Mare {Gran Varadino} (Romanian), Romania |
| 8 Dec | 67.0 | Jean-Denis Gauthier, M.E.P. † | Vicar Apostolic of Southern Tonking {Tonkino Meridionale}, Viet Nam |
| 12 Dec | 68.8 | Jean-Pierre-Jules Dours † | Bishop Emeritus of Soissons (-Laon), France |
| 21 Dec | 61.8 | Joseph-Marie Chauveau, M.E.P. † | Vicar Apostolic of Thibet, China |
| 31 Dec | 69.1 | James Etheridge, S.J. † | Vicar Apostolic of British Guiana, Guyana, Antilles |