| Date | Age | Bishop | Title |
| unknown | 68.3 | Giulio Arrigoni † | Archbishop of Lucca, Italy |
| unknown | 84.7 | Rodrigo Moreno Echevarría Briones, O.S.B. † | Bishop of Segovia, Spain |
| unknown | 80.8 | Raffaele Ferrigno † | Archbishop of Brindisi, Italy |
| unknown | 67.4 | Bartolomeo Legat † | Bishop of Trieste-Koper (Capodistria), Italy |
| unknown | | Venanzio Mobili † | President of the Pontifical Ecclesiastical Academy |
| unknown | 75.5 | Luigi Natoli † | Archbishop of Messina, Italy |
| unknown | 67.8 | Clemente Pagliaro † | Bishop of Anagni, Italy |
| unknown | 74.0 | Antonio Ranza † | Bishop of Piacenza, Italy |
| 4 Jan | 74.2 | Michael von Deinlein † | Archbishop of Bamberg, Germany |
| 5 Jan | 69.7 | William Keane † | Bishop of Cloyne, Ireland |
| 8 Jan | 58.4 | Ludwig Forwerk † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 26 Jan | 68.7 | Patrick Leahy † | Archbishop of Cashel (-Emly), Ireland |
| 8 Feb | 57.2 | Ambrosia María Serrano y Rodriguez † | Bishop of Chilapa, Guerrero, México |
| 10 Feb | 57.8 | Giuseppe Teta † | Bishop of Oppido Mamertina, Italy |
| 15 Feb | 57.3 | Edward John Horan † | Bishop Emeritus of Kingston, Ontario, Canada |
| 8 Mar | 73.3 | Lorenzo Barili † | Cardinal, Prefect of the Congregation for Indulgences and Relics |
| 19 Mar | | Indalecio Barreto † | Bishop of Nueva Pamplona, Colombia |
| 21 Mar | 77.6 | José López Crespo † | Bishop of Santander, Spain |
| 1 May | 85.3 | Patrick Durcan † | Bishop of Achonry, Ireland |
| 3 May | 84.1 | Józef Grzegorz Wojtarowicz † | Bishop Emeritus of Tarnów, Poland |
| 4 May | 66.3 | Dominik Mayer † | Bishop of Austria, Military |
| 12 May | 70.2 | Heinrich von Hofstätter † | Bishop of Passau, Germany |
| 25 May | 62.2 | Claude-Henri-Augustin Plantier † | Bishop of Nimes, France |
| 30 May | 68.2 | Adrian Wlodarski † | Auxiliary Bishop of Wrocław, Poland |
| 6 Jul | 75.8 | Jacques Jeancard, O.M.I. † | Auxiliary Bishop Emeritus of Marseille, France |
| 9 Jul | 79.5 | Jacques-Marie-Adrien-Césaire Mathieu † | Cardinal, Archbishop of Besançon, France |
| 15 Jul | 80.2 | Peter-Josef de Preux † | Bishop of Sion {Sitten}, Switzerland |
| 25 Jul | 65.7 | Charles La Rocque † | Bishop of Saint-Hyacinthe, Québec, Canada |
| 4 Aug | 77.9 | Johannes Boßmann † | Auxiliary Bishop of Münster, Germany |
| 5 Aug | 88.2 | Antônio Ferreira Viçoso, C.M. † | Bishop of Mariana, Brazil |
| 15 Sep | 65.4 | Johannes Baptist Swinkels, C.SS.R. † | Vicar Apostolic of Dutch Guyana-Suriname, Suriname, Antilles |
| 16 Sep | 79.7 | Gaspare Grasselini, C.O. † | Cardinal, Priest of Confederation of Oratorians of St. Philip Neri |
| 29 Sep | 72.7 | Augustus Marie Martin † | Bishop of Natchitoches, Louisiana, USA |
| 13 Oct | 70.2 | Antoine-Charles Cousseau † | Bishop Emeritus of Angoulême, France |
| 17 Oct | 57.2 | Salvatore Nobili Vitelleschi † | Cardinal, Secretary of the Congregation of Bishops and Regulars |
| 23 Oct | 66.1 | Giacomo Filippo Gentile † | Bishop of Novara, Italy |
| 1 Nov | 60.9 | Jean-Baptiste-Irénée Callot † | Bishop of Oran, Algeria |
| 2 Nov | 71.8 | José Maria González Rúbio, O.F.M. † | Former Administrator of Two Californias (Both Californias), México |
| 12 Nov | 72.9 | Thomas Furlong † | Bishop of Ferns, Ireland |
| 17 Nov | 69.0 | Jacques-Marie-Achille Ginoulhiac † | Archbishop of Lyon (-Vienne), France |
| 17 Nov | 68.0 | Johann Valentin von Reißmann † | Bishop of Würzburg, Germany |
| 19 Nov | 72.8 | Pietro de Silvestri † | Cardinal, Cardinal-Priest of S. Marco |
| 24 Nov | 78.1 | Joseph Othmar von Rauscher † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 13 Dec | 80.7 | Wincenty Lipski † | Auxiliary Bishop of Tiraspol, Moldova |
| 22 Dec | 82.7 | Jozef Gaganecz † | Bishop of Prešov (Prjašev) (Byzantine), Slovakia |
| 24 Dec | 74.5 | Jean-Paul-François-Marie-Félix Lyonnet † | Archbishop of Albi, France |
| 29 Dec | 51.1 | Jean-Claude Duret, C.S.Sp. † | Vicar Apostolic of Senegambia, Senegal |