| Date | Age | Bishop | Title |
| unknown | 85.0 | Franciscus Antonius Boermans † | Bishop of Roermond, Netherlands |
| unknown | 64.0 | Carlo Maria Borgognini † | Archbishop of Modena (e Nonantola), Italy |
| unknown | | Luciano Bucci † | Bishop of Aquino, Sora, e Pontecorvo, Italy |
| unknown | 62.0 | Augusto Guidi † | President Emeritus of the Pontifical Ecclesiastical Academy |
| unknown | 79.0 | Josyf Sembratovyc (Sembratowicz) † | Archbishop Emeritus of Lviv (Ukrainian), Ukraine |
| unknown | 72.9 | Paolo Giuseppe Maria Serci Serra † | Archbishop of Cagliari, Italy |
| 7 Jan | 69.6 | José Ignacio Árciga Ruiz de Chávez † | Archbishop of Michoacán, Michoacán, México |
| 16 Jan | 76.8 | Auguste Marchal † | Auxiliary Bishop Emeritus of Bourges, France |
| 17 Jan | 80.0 | Luigi Trombetta † | Cardinal, Priest of Roma {Rome}, Italy |
| 1 Feb | 62.4 | Domenico Maria Jacobini † | Cardinal, Vicar General of Roma {Rome}, Italy |
| 6 Feb | 65.2 | Uladislao Castellano † | Archbishop of Buenos Aires, Argentina |
| 4 Mar | 74.5 | John Hennessy † | Archbishop of Dubuque, Iowa, USA |
| 7 Mar | 70.9 | Jorge Montes Solar † | Auxiliary Bishop of Santiago de Chile |
| 12 Mar | 90.9 | Luigi di Canossa † | Cardinal, Bishop of Verona, Italy |
| 22 Mar | 79.6 | Franz Adolf Namszanowski † | Vicar Apostolic Emeritus of Germany, Military |
| 26 Mar | 67.1 | Camillo Mazzella, S.J. † | Cardinal, Prefect of the Congregation of Rites |
| 2 Apr | 84.6 | Hermann Gleich † | Auxiliary Bishop of Wrocław, Poland |
| 11 Apr | 65.8 | Pierre-Emmanuel-Dieudonné Bouvier † | Bishop of Tarentaise, France |
| 22 Apr | 82.1 | Tobias Mullen † | Bishop Emeritus of Erie, Pennsylvania, USA |
| 25 Apr | 73.1 | Manoel dos Santos Pereira † | Bishop of Olinda, Brazil |
| 29 Apr | 55.6 | Angus MacDonald † | Archbishop of Saint Andrews and Edinburgh, Scotland, Great Britain |
| 5 May | 75.0 | Johann Evangelist Haller † | Cardinal, Archbishop of Salzburg, Austria |
| 23 May | 74.1 | John Vertue (Virtue) † | Bishop of Portsmouth, England, Great Britain |
| 2 Jun | 76.4 | Bernardo Antonio De Riso, O.S.B. † | Bishop of Catanzaro, Italy |
| 12 Jun | 59.5 | Joseph (James) Rademacher † | Bishop of Fort Wayne, Indiana, USA |
| 13 Jun | 38.3 | Joachim-Pierre Buléon, C.S.Sp. † | Vicar Apostolic of Senegambia, Senegal |
| 13 Jun | 80.0 | William Lanigan † | Bishop of Goulburn, Australia |
| 2 Jul | 45.7 | Laurent Guillon, M.E.P. † | Vicar Apostolic of Southern Manchuria {Manciuria Meridionale}, China |
| 4 Jul | | Michael Naughten † | Bishop of Roseau, Dominica, Antilles |
| 9 Jul | 60.8 | François-Georges Fogolla † | Coadjutor Vicar Apostolic of Northern Shansi {Scian-Si Settentrionale}, China |
| 23 Jul | 54.6 | Charles-Félix Pelvat, M.S.F.S. † | Bishop of Nagpur, India |
| 24 Jul | 49.8 | Jean Louis Mando † | Bishop of Angoulême, France |
| 25 Jul | | Giulio Matteoli † | Bishop of Livorno, Italy |
| 5 Aug | 70.3 | James Augustine Healy † | Bishop of Portland, Maine, USA |
| 11 Aug | 78.0 | Paul-François-Marie de Forges † | Auxiliary Bishop Emeritus of Rennes (, Dol, e Saint-Malo), France |
| 9 Sep | 81.0 | François Xavier Gouthe-Soulard † | Archbishop of Aix (-Arles-Embrun), France |
| 13 Sep | 54.7 | José Ramón Quesada y Gascón † | Bishop of Segovia, Spain |
| 26 Sep | 80.8 | François-Narcisse Baptifolier † | Bishop of Mende, France |
| 12 Oct | 62.6 | Augustin Chausse, M.E.P. † | Prefect of Canton [Guangzhou], China |
| 14 Oct | 69.9 | Henri-Joseph Bulté, C.M. † | Vicar Apostolic of Southeastern Chi-Li {Ce-Li Meridio-Orientale}, China |
| 27 Oct | 65.5 | Perfecto Amézquita y Gutiérrez, C.M. † | Bishop of Tlaxcala, Tlaxcala, México |
| 18 Nov | 57.4 | Domenico Cocchia, O.F.M. Cap. † | Bishop of Ascoli Satriano e Cerignola, Italy |
| 19 Nov | 81.7 | Joseph-Jean-Louis Robert † | Bishop of Marseille, France |
| 29 Dec | 86.8 | Rudesindo Salvado, O.S.B. † | Abbot of New Norcia, Australia |
| 31 Dec | 69.3 | Jacinto López y Romo † | Archbishop of Guadalajara, Jalisco, México |