| Date | Age | Bishop | Title |
| unknown | 69.3 | Agustin Fernández de Córdoba † | Titular Bishop of Attalea in Pamphylia |
| unknown | 65.3 | José Maria de Macerata, O.F.M. Cap. † | Former Bishop-Elect of Cuiabá, Brazil |
| 12 Jan | 76.4 | Nicola Grimaldi † | Cardinal, Priest of the Roman Curia - Other |
| 7 Feb | 71.4 | Maurycy Mateusz Wojakowski † | Auxiliary Bishop of Lublin, Poland |
| 8 Feb | 74.4 | Emmanuele Lodi, O.P. † | Bishop of Udine, Italy |
| 22 Feb | 83.6 | Louis-Charles-Jean-Baptiste Michel † | Bishop of Fréjus, France |
| 18 Mar | 83.2 | Constantin Ernest Ruziczka (Růžička) † | Bishop of České Budĕjovice {Budweis}, Czechia |
| 28 Mar | 68.2 | Nicolaus Rodrigues Pereira de Borja, C.M. † | Bishop-Elect of Macau, China |
| 14 Apr | 69.6 | Annibale Tommasi † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 16 Apr | 76.6 | Carlo Filesio Cittadini † | Bishop of Perugia, Italy |
| 18 Apr | 68.8 | Luigi Del Drago † | Cardinal, Cardinal-Priest of San Lorenzo in Panisperna |
| 5 May | 77.6 | René-François Soyer † | Bishop of Luçon, France |
| 6 May | 59.2 | Angelo Antonio Scotti † | Titular Archbishop of Thessalonica |
| 7 May | 79.2 | Francisco de São Luiz (Manoel Justiniano) Saraiva, O.S.B. † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 23 May | 58.0 | Youssef Boutros Hobaish (Habaisci) † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 29 May | 73.6 | Michał Piwnicki † | Bishop of Lutsk and Zhytomyr (Łuck and Zytomierz), Ukraine |
| 29 May | 80.3 | Vincenzo Rocca † | Bishop of Larino, Italy |
| 8 Jun | 69.4 | Tomás Diéguez y Florencia † | Bishop of Trujillo, Peru |
| 12 Jun | 74.5 | Franciszek Ksawery Zachariasiewicz † | Bishop of Przemyśl, Poland |
| 15 Jun | 60.8 | Francesco Capaccini † | Cardinal, Substitute (Sostituto) of the Secretariat of State |
| 15 Jun | 66.7 | Mateo José González Rubio † | Auxiliary Bishop of Popayán, Colombia |
| 4 Jul | 71.7 | José Maria Seguí Molas, O.S.A. † | Archbishop of Manila, Philippines |
| 14 Jul | 43.1 | François-Alexis Rameaux, C.M. † | Vicar Apostolic of Chekiang {Ce-Kiam} and Kiangsi, China |
| 24 Jul | 88.7 | Paolo Garzilli † | Bishop of Sessa Aurunca, Italy |
| 24 Jul | 86.5 | Domenico Ricciardone † | Bishop of Penne e Atri, Italy |
| 1 Sep | 73.8 | Gennaro de Rubertis † | Bishop of Termoli, Italy |
| 15 Sep | 74.1 | Lorenzo Ramón Lahoz de San Blas, Sch. P. † | Bishop of Huesca, Spain |
| 16 Oct | 39.4 | Charles Michael Baggs † | Vicar Apostolic of Western District, England, Great Britain |
| 17 Oct | 71.4 | Johann Baptist Judas Thaddeus von Keller † | Bishop of Rottenburg, Germany |
| 19 Oct | 72.7 | Klemens August Droste zu Vischering † | Archbishop of Köln {Cologne}, Germany |
| 25 Oct | 65.7 | Franz Laurenz (Johannes Franz Ignatius) Mauermann, O. Cist. † | Vicar Apostolic of Saxonia (Saxony), Germany |
| 8 Nov | 83.0 | José Ignacio Cienfuegos Arteaga † | Bishop of Concepción, Chile |
| 10 Nov | 80.7 | Francisco Ramón Valentín de Casaus y Torres, O.P. † | Archbishop of Guatemala |
| 12 Nov | 82.4 | Gervais-Marie-Joseph Ortric † | Bishop of Pamiers, France |
| 20 Nov | 69.1 | Matevž (Matteo) Ravnikar (Raunicher) † | Bishop of Trieste e Capodistria (Trst i Koper), Italy |
| 26 Nov | 58.7 | Giuseppe Antonio Zacchia Rondinini † | Cardinal, Vice-Chamberlain Emeritus of the Apostolic Chamber |
| 2 Dec | 70.2 | Antonio Uda † | Bishop of Bosa, Italy |
| 8 Dec | 70.9 | Pierre-Tobie Yenni † | Bishop of Lausanne et Genève, Switzerland |
| 12 Dec | 49.8 | William Kinsella † | Bishop of Ossory, Ireland |
| 13 Dec | 82.4 | Luigi Tosi † | Bishop of Pavia, Italy |
| 19 Dec | 37.7 | Jean Baptiste Epalle, S.M. † | Vicar Apostolic of Melanesia, Pacific (Oceania) |
| 25 Dec | 67.7 | Francesco Saverio Gargiulo † | Titular Bishop of Thyatira |
| 30 Dec | 85.3 | Roque José Carpegna Díaz, O.P. † | Vicar Apostolic of Fo-Kien, China |