| Date | Age | Bishop | Title |
| unknown | 52.8 | Emanuele Antonio Arboleda, C.M. † | Archbishop of Popayán, Colombia |
| unknown | 64.3 | Tommaso d’Aquino Bossart, O.S.B. † | Abbot of Maria Einsiedeln, Switzerland |
| unknown | 69.9 | Agostino Cattaneo † | Bishop of Guastalla, Italy |
| unknown | | Pasquale da Luchon, O.F.M. Cap. † | Prefect of Djibouti |
| unknown | | Teodosio Heikenrath, SS.CC. † | Prefect of Central New Guinea |
| unknown | 57.5 | Árpád Lipót Várady † | Archbishop of Kalocsa, Hungary |
| unknown | 56.5 | Pietro Zanolini † | Bishop of Lodi, Italy |
| 3 Jan | 55.1 | Jules Tiberghien † | Titular Archbishop of Nicaea |
| 4 Jan | 84.9 | Jaime Cardona y Tur † | Patriarch of West Indies, Spain |
| 9 Jan | 78.8 | Joseph-Marie Fabre † | Bishop of Marseille, France |
| 9 Jan | 73.6 | Jules-Laurent-Benjamin Morelle † | Bishop of Saint-Brieuc (-Tréguier), France |
| 20 Jan | 55.8 | Jules-André Brault, O.M.I. † | Bishop of Jaffna, Sri Lanka |
| 21 Jan | 56.2 | Stanislao von Krolikowski, O.S.F.S. † | Prefect of Great Namaqualand, Namibia |
| 27 Jan | 54.5 | Emanuele Virgilio † | Bishop of Ogliastra, Italy |
| 29 Jan | 70.7 | Sebastiăo Leite de Vasconcellos † | Bishop Emeritus of Beja, Portugal |
| 31 Jan | 75.0 | José López Mendoza y García, O.S.A. † | Bishop of Pamplona, Spain |
| 4 Feb | 63.1 | Charles Joseph O’Reilly † | Bishop of Lincoln, Nebraska, USA |
| 4 Feb | 89.4 | Giuseppe Antonio Ermenegildo Prisco † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 14 Feb | 80.9 | Bartolomeo Bacilieri † | Cardinal, Bishop of Verona, Italy |
| 17 Feb | 72.9 | Pierre-Marie-François Lalouyer, M.E.P. † | Vicar Apostolic of Northern Manchuria {Manciuria Settentrionale}, China |
| 5 Mar | | Terence George Brady † | Former Bishop-Elect of Baker City, Oregon, USA |
| 7 Mar | 78.3 | Jean-Auguste-François-Eutrope Eyssautier † | Bishop of La Rochelle (-Saintes), France |
| 17 Mar | 77.9 | Maurice Francis Burke † | Bishop of Saint Joseph, Missouri, USA |
| 17 Mar | 62.5 | Jean-Joseph-Benoît-Marie Martel † | Bishop of Digne (-Riez-Sisteron), France |
| 20 Mar | 62.9 | St. Józef Bilczewski † | Archbishop of Lviv, Ukraine |
| 22 Mar | 67.2 | John Henry Norton † | Bishop of Port Augusta, Australia |
| 25 Mar | 46.7 | Enrique Sánchez y Paredes † | Archbishop of Puebla de los Ángeles, Puebla, México |
| 8 Apr | 78.8 | Mariano Antonio Espinosa † | Archbishop of Buenos Aires, Argentina |
| 9 Apr | 65.3 | Thomas O’Dea † | Bishop of Galway and Kilmacduagh, Ireland |
| 10 Apr | 79.0 | Frederick Charles Hopkins, S.J. † | Vicar Apostolic of British Honduras, Belize |
| 2 May | 67.9 | Edmondo Luypen, S.J. † | Vicar Apostolic of Batavia, Indonesia |
| 3 May | 61.4 | Joseph-Claude Excoffier, M.E.P. † | Coadjutor Vicar Apostolic Emeritus of Yünnan, China |
| 21 May | 87.6 | Joseph-Michel-Frédéric Bonnet † | Bishop of Viviers, France |
| 23 May | 50.8 | Louis-Marie-Henri-Joseph Bigolet, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 2 Jun | 58.2 | Souleyman Moussa Sabbagh † | Archbishop of Diarbekir (Amida) (Chaldean), Turkey |
| 3 Jun | 67.3 | Rafael Amador y Hernández † | Bishop of Huajuapan de León, Oaxaca, México |
| 4 Jun | 79.6 | Juan Soldevilla y Romero † | Cardinal, Archbishop of Zaragoza, Spain |
| 17 Jun | 75.5 | Alexis-Xyste Bernard † | Bishop of Saint-Hyacinthe, Québec, Canada |
| 2 Jul | 73.6 | Denis Hallinan † | Bishop of Limerick, Ireland |
| 2 Jul | 75.0 | James Ryan † | Bishop of Alton, Illinois, USA |
| 7 Jul | 79.9 | Nicolň Marini † | Cardinal, Secretary Emeritus of the Congregation for the Oriental Churches |
| 17 Jul | 72.6 | Luigi Pugliese † | Bishop of Ugento, Italy |
| 22 Jul | 77.9 | Ludwig Hartl (Harthl) † | Auxiliary Bishop of München und Freising {Munich}, Germany |
| 28 Jul | 70.7 | Francisco de Paula Mendoza y Herrera † | Archbishop of Durango, México |
| 31 Jul | 68.7 | Marie-Félix Choulet, M.E.P. † | Vicar Apostolic Emeritus of Southern Manchuria {Manciuria Meridionale}, China |
| 10 Aug | 72.7 | Agostino Richelmy † | Cardinal, Archbishop of Torino {Turin}, Italy |
| 17 Aug | 63.2 | Michele Miroff (Mirov) † | Titular Archbishop of Theodosiopolis |
| 21 Aug | 69.2 | Manuel Segundo Ballón Manrique † | Bishop Emeritus of Arequipa, Peru |
| 27 Aug | 84.9 | Adrien-Alexis Fodéré † | Bishop of Saint-Jean-de-Maurienne, France |
| 4 Sep | 82.1 | Thomas Sebastian Byrne † | Bishop of Nashville, Tennessee, USA |
| 11 Sep | 60.2 | Angelo Petrelli † | Bishop of Venosa, Italy |
| 11 Sep | 80.1 | Giuseppe van Reeth, S.J. † | Bishop of Galle, Sri Lanka |
| 20 Sep | 52.9 | Domenico Pasi † | Bishop of Macerata e Tolentino, Italy |
| 28 Sep | 50.6 | Joseph-Antoine-Augustin Giustiniani, O.F.M. † | Auxiliary Bishop of Ajaccio, France |
| 29 Sep | 72.4 | Antonín Cyril Stojan † | Archbishop of Olomouc, Czech Republic |
| 3 Oct | 53.8 | Amiel-François Bessičre † | Bishop of Constantine (-Hippone), Algeria |
| 17 Oct | 44.0 | Josef Stoffels † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 19 Oct | 60.5 | Lúcio Antunes de Souza † | Bishop of Botucatu, Brazil |
| 24 Oct | 71.8 | Silvio Gasperini † | Bishop of Anagni, Italy |
| 10 Nov | 73.2 | Alfonso Andreoli † | Bishop of Recanati e Loreto, Italy |
| 24 Nov | 53.7 | Vilmos Batthyány † | Bishop Emeritus of Nitra, Slovakia |
| 25 Nov | 63.9 | Giosuč Signori † | Archbishop of Genova, Italy |
| 26 Nov | 77.4 | John Gallagher † | Bishop of Goulburn, Australia |
| 27 Nov | 54.8 | Amédée Marie Léon Crooy (Crooij) † | Bishop of Tournai {Doornik}, Belgium |
| 1 Dec | 55.9 | Miklós Széchenyi de Salvar-Felsovidék † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 3 Dec | 65.5 | Giuseppe Morŕbito † | Bishop Emeritus of Mileto, Italy |
| 16 Dec | 73.7 | Peter Joseph O’Reilly † | Auxiliary Bishop of Peoria, Illinois, USA |
| 19 Dec | 60.3 | Graziano Génnaro, O.F.M. † | Vicar Apostolic of Eastern Hupeh {Hu-Pč Orientale}, China |
| 26 Dec | 69.3 | Michele Angelo Baldetti † | Bishop of Cortona, Italy |