| Date | Age | Bishop | Title |
| unknown | | Ernesto Reilly, O.F.M. † | Superior of Bellary, India |
| 5 Jan | 65.6 | Antonio Valbonesi † | Bishop Emeritus of Urbania e Sant’Angelo in Vado, Italy |
| 17 Jan | 34.9 | Eugene-Jean Imhof, S.M.B. † | Prefect of Qiqihar [Tsitsihar], China |
| 18 Jan | 60.7 | Emmanuel Coste † | Archbishop of Aix (-Arles-Embrun), France |
| 22 Jan | 89.2 | Francesco De Pietro † | Bishop Emeritus of Acerra, Italy |
| 1 Feb | 65.7 | Agustín Blessing Presinger, C.M. † | Vicar Apostolic Emeritus of Limón, Costa Rica |
| 11 Feb | 80.2 | Julije Drohobeczky † | Bishop Emeritus of Križevci (Kreutz) (Križevci), Croatia |
| 11 Feb | 68.9 | Chucrallah Khoury, M.L. † | Archbishop of Tyr (Maronite), Lebanon |
| 17 Feb | 79.2 | Manuel Tomás Mesa Albornoz † | Ecclesiastical Governor (Vicar General) Emeritus of Valparaíso, Chile |
| 21 Feb | 64.5 | William Lewis Keatinge † | Vicar Apostolic of Great Britain, Military |
| 3 Mar | 79.1 | Miguel León Prado † | Bishop of Linares, Chile |
| 11 Mar | 49.8 | Vicente Peira † | Bishop of Catamarca, Argentina |
| 15 Mar | 65.7 | Klyment Zlepko † | Apostolic Administrator Emeritus of Târgul-Siret (Ruthenian), Romania |
| 19 Mar | 67.7 | Quirico Travaini † | Bishop of Fossano, Italy |
| 21 Mar | 66.2 | Josep Pujol i Coll, O.F.M. Cap. † | Prefect Emeritus of Caquetá, Colombia |
| 26 Mar | 40.7 | Torquato Dini † | Apostolic Delegate to Egypt, Arabia, Eritrea, Ethiopia, Palestine, TransJordan, and Island of Cyprus |
| 27 Mar | 72.6 | Dominik Premuš † | Auxiliary Bishop of Zagreb, Croatia |
| 31 Mar | 88.4 | Franziskus Ehrle, S.J. † | Cardinal, Librarian of the Vatican Library |
| 7 Apr | 60.4 | Etienne-Joseph Hurault † | Bishop of Nancy (-Toul), France |
| 7 Apr | 76.9 | Pietro Pacifici, C.R.S. † | Archbishop of Spoleto, Italy |
| 12 Apr | 68.2 | Francesco Cherubini † | Apostolic Nuncio |
| 13 Apr | 78.6 | John Joseph Nilan † | Bishop of Hartford, Connecticut, USA |
| 25 Apr | 82.2 | František Kordač † | Archbishop Emeritus of Praha {Prague}, Czechia |
| 26 May | 82.5 | Neil McNeil † | Archbishop of Toronto, Ontario, Canada |
| 31 May | 79.9 | Martin-Jérôme Izart † | Archbishop of Bourges, France |
| 9 Jun | 76.1 | Ricardo Sepúlveda Hermosilla † | Ecclesiastical Governor (Vicar General) Emeritus of Temuco, Chile |
| 13 Jun | 78.6 | Pascal Keklikian † | Bishop of Adana (Armenian), Turkey |
| 24 Jun | 66.3 | Bernardo Martínez y Noval, O.S.A. † | Bishop of Almería, Spain |
| 19 Jul | 78.8 | Daniel Francis Feehan † | Bishop of Fall River, Massachusetts, USA |
| 22 Jul | 55.4 | Louis-Marie Raucaz, S.M. † | Vicar Apostolic of Southern Solomon Islands, Solomon Islands |
| 23 Jul | 61.6 | Georges-Marie de Labonninière de Beaumont, C.S.Sp. † | Bishop of Saint-Denis-de-La Réunion |
| 25 Jul | 60.2 | Maurizio Francesco Crotti, O.F.M. Cap. † | Bishop of Città di Castello, Italy |
| 10 Aug | 63.3 | Wincenty Tymieniecki † | Bishop of Łódź, Poland |
| 17 Aug | 67.0 | Charles-Albert-Joseph Lecomte † | Bishop of Amiens, France |
| 19 Aug | 81.8 | Jean-Marie-Alexandre Morice † | Bishop Emeritus of Les Cayes, Haïti |
| 20 Aug | 66.7 | Gabriel Joseph Maria Zeiger (Zelger), O.F.M. Cap. † | Vicar Apostolic Emeritus of Dar-es-Salaam, Tanzania |
| 30 Aug | 80.5 | Honoré-Paul-Émile Halle † | Auxiliary Bishop Emeritus of Montpellier (-Lodève-Béziers-Agde-Saint-Pons-de-Thomières), France |
| 7 Sep | 71.8 | David Joseph Scollard † | Bishop of Sault Sainte Marie, Ontario, Canada |
| 18 Sep | 85.8 | François-Xavier Cloutier † | Bishop of Trois-Rivières, Québec, Canada |
| 18 Sep | 64.8 | Alejandro Pasquel Monge † | Bishop of Ibarra, Ecuador |
| 30 Sep | 84.6 | Giuseppe Mori † | Cardinal, Secretary of the Congregation of the Council |
| 1 Oct | 79.9 | Luis José María Amigó y Ferrer, O.F.M. Cap. † | Bishop of Segorbe, Spain |
| 8 Oct | 76.6 | Ignaz Rieder † | Archbishop of Salzburg, Austria |
| 11 Oct | 79.5 | José Marcos Semeria † | Bishop Emeritus of Melo, Uruguay |
| 19 Oct | 59.9 | Anselmo Rizzi † | Bishop of Adria, Italy |
| 1 Nov | 78.4 | Simone Pietro Grassi † | Bishop of Tortona, Italy |
| 2 Nov | 70.8 | John William Shaw † | Archbishop of New Orleans, Louisiana, USA |
| 5 Nov | 74.8 | Robert William Spence, O.P. † | Archbishop of Adelaide, Australia |
| 6 Nov | 63.7 | Luigi dell’Aversana (Orabona) † | Bishop of Melfi e Rapolla, Italy |
| 6 Nov | 60.5 | Juan Bautista Luis y Pérez † | Bishop of Oviedo, Spain |
| 11 Nov | 85.5 | Jean-Marie Barthe, S.J. † | Bishop Emeritus of Trichinopoly, India |
| 11 Nov | 69.7 | Georg Froewis, S.V.D. † | Prefect Emeritus of Sinyangchow, China |
| 17 Nov | 57.0 | Gustavo Matteoni † | Archbishop of Siena, Italy |
| 18 Nov | 82.5 | Pietro Gasparri † | Cardinal, Chamberlain (Camerlengo) of the Apostolic Chamber |
| 21 Nov | 79.8 | John McIntyre † | Archbishop Emeritus of Birmingham, England, Great Britain |
| 24 Nov | 57.7 | Ivan Starčević † | Bishop of Senj (-Modruš), Croatia |
| 26 Nov | 72.3 | Luigi Ferretti † | Bishop of Macerata e Tolentino, Italy |
| 30 Nov | 55.1 | François Baselios Bistauros † | Bishop of Minya {Ermopoli Maggiore; Minieh} (Coptic), Egypt |
| 30 Nov | 78.0 | John Joseph Collins, S.J. † | Vicar Apostolic Emeritus of Giamaica o Jamaica, Antilles |
| 10 Dec | 55.1 | Dionisio Moreno y Barrio † | Bishop of Coria, Spain |
| 11 Dec | 62.5 | Constantin Daems, C.I.C.M. † | Superior General of Congregation of the Immaculate Heart of Mary |
| 12 Dec | 67.0 | Claude Eugène Mederlet, S.D.B. † | Archbishop of Madras, India |
| 17 Dec | 83.3 | Hugh Singleton † | Bishop of Shrewsbury, England, Great Britain |
| 19 Dec | 66.9 | Giovanni Pellegrino Luigi Mondaini, O.F.M. † | Vicar Apostolic Emeritus of Changsha [Changsha], China |
| 19 Dec | 79.1 | James O’Reilly † | Bishop of Fargo, North Dakota, USA |
| 20 Dec | 72.6 | Juan Bautista Gorordo y Perfecto † | Bishop Emeritus of Cebu, Philippines |