| Date | Age | Bishop | Title |
| unknown | 76.4 | Raffaele Bachetoni † | Bishop Emeritus of Norcia, Italy |
| unknown | 65.8 | Gregorio Melitón Martínez Santa Cruz † | Archbishop Emeritus of Manila, Philippines |
| unknown | 55.3 | Raffaele Mezzetti † | Bishop Emeritus of Livorno, Italy |
| unknown | 67.5 | Pedro José Tordoya Montoya † | Bishop Emeritus of Cuzco, Peru |
| 3 Jan | 86.5 | René-François Régnier † | Cardinal, Archbishop of Cambrai, France |
| 27 Jan | 70.8 | Johann Baptist Rudolph Kutschker † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 28 Jan | 71.0 | Luigi Filippi, O.F.M. † | Archbishop of L’Aquila, Italy |
| 4 Feb | 78.8 | Jean-Antoine-Auguste Bélaval † | Bishop of Pamiers, France |
| 23 Feb | 56.6 | Michael Kubinszky † | Auxiliary Bishop of Kalocsa, Hungary |
| 28 Feb | 66.4 | Imre Szabó † | Bishop of Szombathely, Hungary |
| 28 Mar | 80.0 | Emmanuel-Jules Ravinet † | Bishop Emeritus of Troyes, France |
| 28 Mar | 46.5 | Ottaviano Rosario Sabetti, C.SS.R. † | Auxiliary Bishop of Calvi e Teano, Italy |
| 5 Apr | 64.2 | Giovanni Antonio Balma, O.M.V. † | Archbishop of Cagliari, Italy |
| 20 Apr | 65.3 | Djordje Smičiklas † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 21 Apr | 71.5 | Théodore Legain † | Bishop of Montauban, France |
| 28 Apr | 79.1 | Manuel Garcia Gil, O.P. † | Cardinal, Archbishop of Zaragoza, Spain |
| 6 May | 67.9 | Jacinto Vera y Durán † | Bishop of Montevideo, Uruguay |
| 8 May | 64.9 | Melchiorre Lo Piccolo † | Bishop of Nicosia, Italy |
| 11 May | 62.4 | Nicola de Martino † | Bishop Emeritus of Venosa, Italy |
| 19 May | 75.4 | José Bernardo Piñol y Aycinena † | Archbishop of Guatemala |
| 27 May | 74.2 | Mattia Hirschler † | Bishop of Przemyśl, Poland |
| 29 May | 57.7 | Vincenzo Anivitti † | Auxiliary Bishop of Sabina (-Farfa), Italy |
| 31 May | 48.5 | Gaetano Franceschini † | Bishop of Macerata e Tolentino, Italy |
| 6 Jun | 69.1 | Fernando Blanco y Lorenzo, O.P. † | Archbishop of Valladolid, Spain |
| 7 Jun | 60.5 | José María de Jesús Díez de Sollano y Dávaols † | Bishop of León, Guanajuato, México |
| 14 Jun | 59.9 | James Danell † | Bishop of Southwark, England, Great Britain |
| 29 Jun | 86.8 | Nikolaus Franz Florentini † | Bishop of Chur, Switzerland |
| 1 Jul | 70.0 | Carlo Savio † | Bishop of Asti, Italy |
| 15 Jul | 62.6 | Luigi Ciurcia, O.F.M. † | Vicar Apostolic Emeritus of Egitto, Egypt |
| 17 Jul | 67.5 | Zigmund Szuppán † | Former Bishop-Elect of Banská Bystrica, Slovakia |
| 23 Jul | 60.7 | Daniel McCarthy † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 3 Aug | 58.3 | Lothar von Kübel † | Apostolic Administrator of Freiburg im Breisgau, Germany |
| 5 Aug | 70.7 | Alessandro Angeloni † | Archbishop of Urbino, Italy |
| 18 Aug | 62.3 | James Quinn † | Bishop of Brisbane, Australia |
| 24 Aug | 79.3 | Carlo Gigli † | Bishop Emeritus of Tivoli, Italy |
| 25 Aug | 66.3 | Giovanni Domenico Vassarotti † | Bishop of Pinerolo, Italy |
| 30 Aug | 59.6 | Pedro Nolasco Colomer y Mestres † | Bishop of Vic, Spain |
| 5 Sep | 74.1 | Giuseppe Rosati † | Bishop of Luni, Sarzana e Brugnato, Italy |
| 7 Sep | 76.2 | John Martin Henni † | Archbishop of Milwaukee, Wisconsin, USA |
| 7 Sep | 71.2 | Walter Herman Jacobus Steins, S.J. † | Bishop of Auckland, New Zealand |
| 13 Sep | | Jean Tamres (Tamraz) † | Archbishop of Kerkūk (Chaldean), Iraq |
| 16 Sep | 74.3 | Ivan Zaffron (Zoffran) † | Bishop of Dubrovnik (Ragusa), Croatia |
| 17 Sep | 66.6 | Pietro de Villanova Castellacci † | Titular Patriarch of Antiochia {Antioch} |
| 18 Sep | 60.7 | Jean-Dominique Barbero, P.I.M.E. † | Vicar Apostolic of Hyderabad, India |
| 6 Oct | 65.9 | Vincenzo Moretti † | Cardinal, Archbishop Emeritus of Ravenna, Italy |
| 10 Oct | 50.6 | St. Daniele Comboni, F.S.C.J. † | Vicar Apostolic of Central Africa {Africa Centrale}, Sudan |
| 13 Oct | 47.8 | Cesare Roncetti † | Apostolic Nuncio to Germany |
| 14 Oct | 69.8 | James Brown † | Bishop of Shrewsbury, England, Great Britain |
| 20 Oct | 81.9 | Heinrich Ernst Karl Förster † | Bishop of Wrocław (Breslau), Poland |
| 23 Oct | 61.0 | Raffaele Ammirante † | Bishop of Nocera de’ Pagani, Italy |
| 27 Oct | 55.7 | Luis Bruschetti † | Titular Bishop of Abydus |
| 28 Oct | 86.0 | Prospero Caterini † | Cardinal, Prefect of the Congregation of the Council |
| 28 Oct | 58.1 | Antonín Ludvík Frind † | Bishop of Litoměřice, Czech Republic |
| 5 Nov | 74.2 | Pietro Gianelli † | Cardinal, Official of the Roman Curia - Other |
| 7 Nov | 73.6 | Jerzy Jeschke † | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 7 Nov | 90.7 | John MacHale † | Archbishop of Tuam, Ireland |
| 11 Nov | 71.0 | Pedro María Cubero López de Padilla † | Bishop of Orihuela, Spain |
| 12 Nov | 66.8 | Pierre-Antoine-Justin Paulinier † | Archbishop of Besançon, France |
| 17 Nov | 59.8 | Francesco Alessandrini † | Bishop of Ripatransone, Italy |
| 24 Nov | 74.7 | Giacomo Gallo † | Titular Patriarch of Constantinople |
| 30 Nov | 79.9 | Paolo Bentini † | Bishop of Cesena, Italy |
| 30 Nov | 59.3 | Edoardo Borromeo † | Cardinal, Titular Archbishop of Adana |
| 1 Dec | 86.0 | Charles-Frédéric Rousselet † | Bishop of Sées, France |
| 11 Dec | 72.8 | Grzegorz Józef Romaszkan † | Archbishop of Lviv (Armenian), Ukraine |
| 14 Dec | 91.3 | José Domingo Armestar Espinoza de los Monteros † | Bishop of Trujillo, Peru |
| 14 Dec | 75.3 | Claude-Thierry Obré † | Auxiliary Bishop Emeritus of Beauvais (-Noyon-Senlis), France |
| 19 Dec | 66.6 | Jean-Pierre-Ignace Galfione, O.F.M. Cap. † | Vicar Apostolic of Seychelles |
| 31 Dec | 90.5 | Jean-Pierre Sola † | Bishop Emeritus of Nice, France |