| Date | Age | Bishop | Title |
| unknown | 52.1 | Vito Bouma, SS.CC. † | Prefect of Banka e Biliton, Indonesia |
| unknown | | Federico da Baselga, O.F.M. Cap. † | Prefect of Endeber, Ethiopia |
| unknown | | Tiziano da Verona, O.F.M. Cap. † | Prefect of Hosanna, Ethiopia |
| unknown | | Marcelliano da La Guerche, O.F.M. Cap. † | Prefect of Djibouti |
| unknown | 88.1 | Luigi Ermini † | Bishop of Fabriano e Matelica, Italy |
| unknown | | Alessandro Malynowskyj † | Apostolic Exarch of Lemkowszczyzna (Ukrainian), Poland |
| unknown | 41.0 | Tomaz M. de Marcellano, O.F.M. Cap. † | Prefect of Alto Solimões, Brazil |
| unknown | 74.1 | Francesco Pascucci † | Auxiliary Bishop of Roma {Rome}, Italy |
| unknown | 82.3 | Luigi Paulini † | Bishop of Concordia (Sagittaria), Italy |
| unknown | 66.1 | August Wachter, M.H.M. † | Prefect of Northern Borneo {Borneo Settentrionale}, Malaysia |
| unknown | | John A. Wall, M.H.M. † | Prefect of Kodok, Sudan |
| Jan | 66.3 | Damian Tcheng † | Prefect of Zhaotong [Chaotung], China |
| 9 Jan | 82.9 | Saturnino Peri † | Bishop Emeritus of Iglesias, Italy |
| 13 Jan | 62.9 | Marco Giovanni Della Pietra, O.F.M. † | Archbishop of Ancona e Numana, Italy |
| 17 Jan | 85.6 | Pio Marcello Bagnoli, O.C.D. † | Bishop of Marsi, Italy |
| 17 Jan | 62.2 | Adrien Pierre Devals, M.E.P. † | Bishop of Malacca, Singapore |
| 19 Jan | 70.2 | Claudio María Volio y Jímenez † | Bishop Emeritus of Santa Rosa de Copán, Honduras |
| 21 Jan | 78.3 | Gherardo Sante Menegazzi, O.F.M. Cap. † | Bishop Emeritus of Comacchio, Italy |
| 31 Jan | 70.6 | Léon-Paul Classe, M. Afr. † | Vicar Apostolic of Ruanda |
| 22 Feb | 68.7 | Marius Besson † | Bishop of Lausanne, Genève et Fribourg (Freiburg), Switzerland |
| 22 Feb | 67.8 | Michal Bubnic † | Bishop of Rožňava, Slovakia |
| 27 Feb | 60.2 | William F. O’Shea, M.M. † | Vicar Apostolic of Heijo, Korea (North) |
| 1 Mar | 72.3 | Luigj Bumci † | Bishop Emeritus of Lezhë {Lesh, Alessio}, Albania |
| 1 Mar | 74.2 | Michael Sheehan † | Coadjutor Archbishop Emeritus of Sydney, Australia |
| 3 Mar | 60.2 | Jean-Marie Cessou, S.M.A. † | Vicar Apostolic of Lomé, Togo |
| 3 Mar | 73.5 | Paul Peter Rhode † | Bishop of Green Bay, Wisconsin, USA |
| 6 Mar | 86.1 | Alberto José Gonçalves † | Bishop of Ribeirão Preto, Brazil |
| 11 Mar | 72.4 | Nicolao Milone † | Bishop of Alessandria (della Paglia), Italy |
| 13 Mar | 82.3 | Giuseppe Lojacono † | Bishop Emeritus of Ariano, Italy |
| 14 Mar | 74.0 | David Keane † | Bishop of Limerick, Ireland |
| 15 Mar | 69.0 | Joseph Lörks, S.V.D. † | Vicar Apostolic of Central New Guinea |
| 19 Mar | 83.8 | Valentín Comellas y Santamaría † | Bishop of Solsona, Spain |
| 20 Mar | 66.6 | Léon-Auguste-Marie-Joseph Durand † | Bishop of Oran, Algeria |
| 21 Mar | 67.3 | Ange-Marie-Joseph Gouin, M.E.P. † | Vicar Apostolic of Laos, Thailand |
| 21 Mar | 48.9 | Henri-Albert Thomine, M.E.P. † | Vicar Apostolic of Laos, Thailand |
| 28 Mar | 68.8 | János Mikes † | Bishop Emeritus of Szombathely, Hungary |
| 28 Mar | 63.7 | Agustin Nicolas Tijerino y Loáisiga † | Bishop of León en Nicaragua |
| 29 Mar | 60.9 | Jusztinián Györg Serédi, O.S.B. † | Cardinal, Archbishop of Esztergom, Hungary |
| 30 Mar | 67.4 | Henrique César Fernandes Mourão, S.D.B. † | Bishop of Cafelândia, Brazil |
| 2 Apr | 53.1 | Bl. Vilmos Apor † | Bishop of Győr (Raab), Hungary |
| 8 Apr | 65.3 | Augustin Hermann, S.M.A. † | Vicar Apostolic of Volta Inferiore, Ghana |
| 10 Apr | 74.3 | James Paul McCloskey † | Bishop of Jaro, Philippines |
| 15 Apr | 54.6 | Cyprian Witte, SS.CC. † | Prefect of Central Norway {Norvegia Centrale} [Mellom-Norge] |
| May | 62.2 | Josip Marija Carević † | Bishop Emeritus of Dubrovnik (Ragusa), Croatia |
| 3 May | 63.5 | Ettore Castelli † | Auxiliary Bishop of Milano {Milan}, Italy |
| 4 May | 62.8 | Egbert Maria Pelzer, O.P. † | Prefect of Tingchow [Changting], China |
| 14 May | 57.6 | Pedro Dionisio Tibiletti † | Bishop of San Luis, Argentina |
| 20 May | 87.3 | Joseph Raphael John Crimont, S.J. † | Vicar Apostolic of Alaska, USA |
| 23 May | 76.4 | José Luis Montenegro y Flores † | Bishop of Verapaz, Cobán, Guatemala |
| 30 May | 83.7 | Pranciðkus Karevièius (Karewicz), M.I.C. † | Bishop Emeritus of Žemaitija (Samogizia o Tels; Zmudz), Lithuania |
| 3 Jun | 81.3 | Emile-Marie Bunoz, O.M.I. † | Vicar Apostolic of Prince Rupert, British Columbia, Canada |
| 5 Jun | 64.5 | Alois Mohn, M.C.C.I. † | Prefect Emeritus of Lydenburg, South Africa |
| 14 Jun | 73.3 | Angel María Pérez y Cecilia, O.C.D. † | Archbishop Emeritus of Verapoly, India |
| 18 Jun | 60.8 | Joseph Georges Edouard Michaud, M. Afr. † | Vicar Apostolic of Uganda |
| 28 Jun | 66.3 | Antonio Melomo † | Archbishop of Conza-Sant’Angelo dei Lombardi-Bisaccia, Italy |
| 29 Jun | 85.0 | Francisco Maria Campos y Angeles † | Bishop Emeritus of Chilapa, Guerrero, México |
| 4 Jul | 63.1 | Teofilo Emilio de Backere, C.M. † | Prefect Emeritus of Surabaia, Indonesia |
| 5 Jul | 76.3 | François-Xavier Ross † | Bishop of Gaspé, Québec, Canada |
| 6 Jul | 86.3 | Adolf Bertram † | Cardinal, Archbishop of Wrocław {Breslavia}, Poland |
| 12 Jul | 75.8 | Francisco Miguel Irazola y Galarza, O.F.M. † | Vicar Apostolic Emeritus of Ucayali, Peru |
| 21 Jul | 77.6 | Gerard-Joseph Hoogers, C.I.C.M. † | Superior Emeritus of Tatungfu, China |
| 28 Jul | 71.5 | Pedro Maria Vera y Zuria † | Archbishop of Puebla de los Angeles, Puebla, México |
| Aug | 59.7 | Attilio Adinolfi † | Bishop of Anagni, Italy |
| 3 Aug | 69.7 | Enrico de Ferrari, S.D.B. † | Prefect of Alto Orinoco, Venezuela |
| 9 Aug | 69.5 | Gaspare Hou (Hu) † | Prefect Emeritus of Linqing [Lintsing], China |
| 10 Aug | 56.1 | Edoardo Luigi Antonio Leys, M. Afr. † | Vicar Apostolic Emeritus of Kivu, Congo (Dem. Rep.) |
| 16 Aug | 75.5 | Feliciano Rocha Pizarro † | Bishop of Plasencia, Spain |
| 17 Aug | 86.5 | Giuseppe d’Alessio † | Auxiliary Bishop of Napoli {Naples}, Italy |
| 26 Aug | 69.5 | Alfred-Odilon Comtois † | Bishop of Trois Rivières, Québec, Canada |
| 27 Aug | 62.7 | Pietro Tesauri † | Archbishop of Lanciano (e Ortona), Italy |
| 29 Aug | 71.9 | Charles-Joseph-Eugène Ruch † | Bishop of Strasbourg, France |
| 1 Sep | 72.1 | Lorenz Zeller, O.S.B. † | Apostolic Administrator of Rio Branco, Acre, Brazil |
| 6 Sep | 80.4 | Gregorio Diamare, O.S.B. † | Abbot of Montecassino, Italy |
| 8 Sep | 67.3 | Leone Proserpio, S.J. † | Bishop of Calicut, India |
| 11 Sep | 61.4 | Daniel Francis Desmond † | Bishop of Alexandria, Louisiana, USA |
| 17 Sep | 74.9 | Pedro Pascuál Francesco Farfán de los Godos † | Archbishop of Lima, Peru |
| 18 Sep | 83.7 | Raymund Netzhammer, O.S.B. † | Archbishop Emeritus of Bucarest {Bucureşti}, Romania |
| 2 Oct | 65.7 | Timothy Joseph Crowley, C.S.C. † | Bishop of Dacca, Bangladesh |
| 13 Oct | 84.6 | Joseph MacRory † | Cardinal, Archbishop of Armagh, Ireland |
| 15 Oct | 85.5 | Pierre-Louis Genoud, C.S.Sp. † | Bishop Emeritus of Guadeloupe et Basse-Terre, Guadeloupe, Antilles |
| 24 Oct | 61.5 | Gastão Liberal Pinto † | Bishop of São Carlos do Pinhal, Brazil |
| 25 Oct | 53.7 | Romuald Denis Hayes, S.S.C. † | Bishop of Rockhampton, Australia |
| 26 Oct | 72.5 | Emile-Jean-François Thiénard † | Bishop of Constantine (-Hippone), Algeria |
| 31 Oct | 85.5 | Prudencio Melo y Alcalde † | Archbishop of Valencia, Spain |
| 2 Nov | 79.6 | Joseph Schrembs † | Bishop of Cleveland, Ohio, USA |
| 6 Nov | 78.1 | Joseph Gabriel Pinten † | Bishop Emeritus of Grand Rapids, Michigan, USA |
| 13 Nov | 81.1 | Eduardo Brettoni † | Bishop of Reggio Emilia, Italy |
| 22 Nov | 81.8 | Boleslaw Twardowski † | Archbishop of Lviv, Ukraine |
| 23 Nov | 71.8 | Flaminio Belotti, P.I.M.E. † | Vicar Apostolic Emeritus of Nanyang [Nanyang], China |
| 8 Dec | 59.0 | Giuseppe Mazzoli † | Apostolic Delegate to Bulgaria |
| 8 Dec | 73.5 | Joachin (M.) Felipe Oláiz y Zabalza, O.F.M. Cap. † | Vicar Apostolic Emeritus of Guam, Pacific (Oceania) |
| 17 Dec | 67.1 | Mathurin-Marie Le Mailloux, C.S.Sp. † | Vicar Apostolic of Douala, Cameroon |
| 18 Dec | 79.7 | Marian Leon Fulman † | Bishop of Lublin, Poland |
| 19 Dec | 69.7 | Sebastião Tomás, O.P. † | Prelate of Santíssima Conceição do Araguaia, Brazil |
| 21 Dec | 81.4 | Adolfo Pérez y Muñoz † | Bishop of Córdoba, Spain |
| 24 Dec | 85.2 | Mariano Holguin, O.F.M. † | Archbishop of Arequipa, Peru |
| 24 Dec | 78.1 | Antal Papp † | Apostolic Exarch of Miskolc (Hungarian), Hungary |
| 26 Dec | 62.9 | Lucien-Louis-Claude Martin † | Bishop of Amiens, France |