| Date | Age | Bishop | Title |
| unknown | 74.1 | Carlo de Caprio † | Bishop of Sessa Aurunca, Italy |
| unknown | 75.7 | Gaetano Carli, O.F.M. Cap. † | Titular Bishop of Halmiros |
| unknown | 72.7 | Pietro Carsana † | Bishop of Como, Italy |
| unknown | 70.0 | Filippo Campus Chessa † | Bishop of Ampurias e Tempio, Italy |
| unknown | 52.8 | Casimiro Forlani † | Bishop of Kotor (Cattaro), Montenegro |
| unknown | 51.0 | Ceslaus H. J. Heynen † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles |
| unknown | 66.2 | Sigismondo Kovács † | Bishop of Veszprém, Hungary |
| unknown | 86.9 | Luigi Margarita, C.M. † | Bishop of Oria, Italy |
| unknown | | Giuseppe Marid † | Archbishop of Arca in Phoenicia dei Maroniti |
| unknown | 79.9 | François Marinelli, O.S.A. † | Titular Archbishop of Porphyreon |
| unknown | 70.6 | Giuseppe Moreschi † | Bishop of Città di Castello, Italy |
| unknown | 74.7 | Joaquim Moreira Reis, O.S.B. † | Bishop Emeritus of Angola e Congo, Angola |
| unknown | 77.7 | John Power † | Bishop of Waterford and Lismore, Ireland |
| unknown | | C. H. J. Reijnen, O.P. † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles |
| unknown | 61.8 | Pietro Saulini † | Bishop of Alatri, Italy |
| unknown | 70.9 | Alessandro Paolo Spoglia † | Bishop Emeritus of Comacchio, Italy |
| unknown | 62.2 | Giovanni Maria Strocchi † | Bishop of Cesena, Italy |
| unknown | 63.5 | Giovanni Battista Alessio Tommasi † | Bishop of Massa Carrara, Italy |
| unknown | 79.8 | Pietro Paolo Trucchi, C.M. † | Bishop of Forli, Italy |
| unknown | 69.7 | Luigi Vaccari, O.S.B. † | Coadjutor Bishop of Nicotera-Tropea, Italy |
| 1 Jan | 75.5 | Vicente Fermín Márquez y Carrizosa † | Bishop of Antequera, Oaxaca, México |
| 13 Jan | 76.3 | Innocenzo Ferrieri † | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 18 Jan | 60.1 | Joseph Coldefy † | Bishop of Saint-Denis-de-La Réunion |
| 18 Jan | 72.5 | George Rigg † | Bishop of Dunkeld, Scotland, Great Britain |
| 23 Jan | 80.8 | Louis-Marie-Joseph-Eusèbe Caverot † | Cardinal, Archbishop of Lyon (-Vienne), France |
| 1 Feb | 79.4 | Luigi Agazio † | Bishop of Trivento, Italy |
| 13 Feb | 73.1 | Nikolaus Adames † | Bishop Emeritus of Luxembourg |
| 14 Feb | 64.1 | Giacomo Cattani † | Cardinal, Archbishop of Ravenna, Italy |
| 15 Feb | 49.6 | Isidore Robot, O.S.B. † | Prefect of Indian Territory, Oklahoma, USA |
| 15 Feb | 73.0 | Leandro Rodríguez de la Gala y Enríquez † | Bishop of Yucatán (Mérida), Yucatán, México |
| 20 Feb | 55.8 | Agabio (Agapios) Bsciai (Bishai) † | Vicar Apostolic Emeritus of Alexandria {Alessandria} (Coptic), Egypt |
| 25 Feb | 89.5 | Augustin Magloire Alexandre Blanchet † | Bishop Emeritus of Nesqually, Washington, USA |
| 28 Feb | 55.1 | Luigi Jacobini † | Cardinal, Secretary of the Secretariat of State |
| 6 Mar | 58.9 | Józef Cybichowski † | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 8 Mar | 62.7 | Joseph-André Boyer, M.E.P. † | Coadjutor Vicar Apostolic of Manchuria {Manciuria}, China |
| 20 Mar | 73.0 | Antonio Sena † | Bishop of Ascoli Satriano e Cerignola, Italy |
| 31 Mar | 58.5 | Adrien-François Rouger, C.M. † | Vicar Apostolic of Southern Kiangsi {Kiam-Si Meridionale}, China |
| 3 Apr | 87.9 | Eleonoro Aronne † | Bishop of Montalto, Italy |
| 26 May | 61.5 | José de Jesús María Uriarte y Pérez † | Bishop of Sinaloa, Sinaloa, México |
| 1 Jun | 72.4 | Charles-Marie-Denis-Anselme Nouvel de La Flèche † | Bishop of Quimper [Cornouailles](-Léon), France |
| 12 Jun | 52.1 | Angelo Bersani-Dossena † | Coadjutor Bishop of Lodi, Italy |
| 15 Jul | 56.1 | Fernando Blaitt Mariño † | Bishop of Concepción, Chile |
| 2 Aug | 57.6 | Mariano Cuartero y Sierra, O.A.R. † | Bishop of Nueva Segovia, Philippines |
| 8 Sep | 72.8 | Manuel Bernardo de Sousa Enes (Ennes) † | Bishop of Portalegre, Portugal |
| 21 Sep | 49.0 | Victor Maréchal † | Bishop of Laval, France |
| 23 Sep | 62.4 | Francis Xavier Leray † | Archbishop of New Orleans, Louisiana, USA |
| 2 Oct | 74.4 | Domenico Bartolini † | Cardinal, Cardinal-Priest of S. Marco |
| 25 Oct | 89.1 | Joseph-Antoine-Henri Jordany † | Bishop Emeritus of Fréjus, France |
| 2 Nov | 75.2 | Antonio Pellegrini † | Cardinal, Priest of the Roman Curia - Other |
| 7 Nov | 73.7 | Eugène-Jean-Claude-Joseph Desflèches, M.E.P. † | Vicar Apostolic Emeritus of Eastern Szechwan {Se-Ciuen Orientale}, China |
| 11 Nov | 50.9 | Bernard Finnegan † | Bishop of Kilmore, Ireland |
| 17 Nov | 93.6 | Andreas (André) Räß (Raess) † | Bishop of Strasbourg, France |
| 18 Nov | 79.2 | Joseph La Rocque † | Bishop Emeritus of Saint-Hyacinthe, Québec, Canada |
| 24 Nov | 86.7 | Marie-Laurent Trioche † | Archbishop of Baghdad, Iraq |
| 3 Dec | 72.1 | Daniel McGettigan † | Archbishop of Armagh, Ireland |
| 7 Dec | 49.7 | Constant Dubail, M.E.P. † | Vicar Apostolic of Manchuria {Manciuria}, China |
| 11 Dec | 66.7 | François-Benjamin-Joseph Blanger † | Bishop of Limoges, France |
| 13 Dec | 39.6 | Manuel Felipe Rodríguez Delgado † | Bishop of Santo Tomás de Guayana, Venezuela |
| 17 Dec | 64.6 | James Joseph Carbery, O.P. † | Bishop of Hamilton, Ontario, Canada |
| 20 Dec | 69.4 | Lorenzo Ilarione Randi † | Cardinal, Priest of the Roman Curia - Other |
| 26 Dec | 67.7 | José María Mora y Daza † | Bishop of Tlaxcala, Tlaxcala, México |