| Date | Age | Bishop | Title |
| unknown | 80.0 | Carlo-Maria Cernelli † | Archbishop of Chieti, Italy |
| unknown | 74.9 | Pietro Antonio Cirio † | Bishop of Susa, Italy |
| unknown | 63.9 | Giuseppe-Maria de Letto † | Bishop of Valva e Sulmona, Italy |
| unknown | | Bernardo Antônio de Figueiredo † | Bishop of Faro {Algarve}, Portugal |
| unknown | 69.6 | Pietro-Paolo Presicce † | Bishop of Tricarico, Italy |
| unknown | | Francisco José Rodrigues de Andrade † | Bishop of Funchal, Portugal |
| unknown | 70.2 | Leonardo de Sousa Brandão † | Bishop of Pinhel, Portugal |
| unknown | 59.0 | Jean-François Van de Velde † | Bishop of Gent {Ghent, Gand}, Belgium |
| unknown | 60.0 | Josafat Zarskyj † | Bishop of Foreign Diocese |
| 2 Feb | 72.6 | José Casquete Prado, O.S. † | Titular Bishop of Cisamus |
| 21 Feb | 68.3 | Stanisław Kostka Choromański † | Archbishop of Warszawa {Warsaw}, Poland |
| 26 Mar | 60.8 | Andrzej Alojzy Ankwicz † | Archbishop of Praha {Prague}, Czech Republic |
| 6 Apr | 93.0 | François de Bovet † | Archbishop Emeritus of Toulouse, France |
| 2 May | 74.4 | József Vurum † | Bishop of Nitra, Slovakia |
| 12 May | 77.7 | Joseph-Michel-Jean-Baptiste-Paul-Augustin Micolon de Guérines † | Bishop of Nantes, France |
| 13 May | 83.8 | Giacomo Ranghiasci † | Bishop of San Severino, Italy |
| 17 May | 84.3 | Charles-Maurice de Talleyrand-Périgord † | Bishop Emeritus of Autun, France |
| 15 Jun | 69.7 | Juan José Tejada Sáenz, O. de M. † | Bishop of Solsona, Spain |
| 20 Jun | 70.4 | Giuseppe Saitta † | Bishop of Patti, Italy |
| 25 Jun | 72.5 | St. Domingo Henares, O.P. † | Coadjutor Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 5 Jul | 47.7 | Joseph-Marie-Pélagie Havard, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 11 Jul | 58.0 | Louis Fontana, M.E.P. † | Vicar Apostolic of Se-Ciuen, China |
| 12 Jul | 76.6 | St. Ignacio Clemente Delgado Cebrián, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 17 Jul | 84.0 | Józef Arnulf Giedroyc † | Bishop of Samogizia o Tels (Zmudz), Lithuania |
| 4 Aug | 59.1 | Buenaventura Cano Torrente, O. de M. † | Titular Bishop of Magydus |
| 13 Oct | 80.7 | Pedro García Panés, O.F.M. † | Bishop of Paraguay |
| 24 Oct | 82.5 | Jean-Pierre de Gallien de Chabons † | Bishop Emeritus of Amiens, France |
| 2 Nov | 69.2 | Cayetano Pires Pireira, C.M. † | Bishop of Nanking [Nanjing], China |
| 3 Nov | 70.4 | Etienne Blanquet de Rouville † | Auxiliary Bishop of Reims, France |
| 14 Nov | 73.5 | Giovanni Antonio Benvenuti † | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 15 Nov | | Andrea Veggetti † | Archbishop of Naxos, Greece |
| 13 Dec | 37.1 | Giuiseppe Angelo di Fazio, O.F.M. Cap. † | Coadjutor Vicar Apostolic of Tibet-Hindustan, India |
| 21 Dec | 85.0 | Amedeo Bruno di Samone † | Bishop of Cuneo, Italy |