| Date | Age | Bishop | Title |
| unknown | | Eugčne Justin Fabre (Favre) † | Prefect Emeritus of French Guiana-Cayenne, Antilles |
| unknown | 49.5 | Clemente van der Pas, O. Carm. † | Prefect of Malang, Indonesia |
| 1 Jan | 73.7 | Francis Alphonsus Bourne † | Cardinal, Archbishop of Westminster, England, Great Britain |
| 3 Jan | 95.9 | Francis Mary Redwood, S.M. † | Archbishop of Wellington, New Zealand |
| 6 Jan | 67.9 | Martín Rucker Sotomayor † | Bishop of Chillán, Chile |
| 7 Jan | 78.6 | John James Joseph Monaghan † | Bishop Emeritus of Wilmington, Delaware, USA |
| 16 Jan | 65.1 | Luigi Giacomo Baccini, O.F.M. Cap. † | Bishop of Urbania e Sant’Angelo in Vado, Italy |
| 17 Jan | 73.7 | Anton Malecki † | Apostolic Administrator Emeritus of Leningrad, Russian Federation |
| 25 Jan | 62.0 | Vasile (Basile) Suciu † | Archbishop of Făgăraş şi Alba Iulia (Romanian), Romania |
| 7 Feb | 84.1 | Pierre-Jean-Marie Gendreau, M.E.P. † | Vicar Apostolic of Hŕ Nôi, Viet Nam |
| 8 Feb | 85.0 | Gaetano Müller † | Bishop of Nardň, Italy |
| 15 Feb | 85.1 | Paulin-Pierre Andrieu † | Cardinal, Archbishop of Bordeaux, France |
| 15 Feb | 64.6 | Anton Mönch † | Auxiliary Bishop of Trier, Germany |
| 17 Feb | 64.3 | Edouard Alfred LeBlanc † | Bishop of Saint John, New Brunswick, Canada |
| 24 Feb | 66.2 | Sotero Redondo Herrero, O.S.A. † | Vicar Apostolic of San León del Amazonas, Peru |
| 27 Feb | 71.6 | Marie-Augustin-Olivier de Durfort de Civbac de Lorge † | Bishop Emeritus of Poitiers, France |
| 28 Feb | 73.0 | Manuel Azpeitia Palomar † | Bishop of Tepic, Nayarit, México |
| 1 Mar | 64.1 | Nikolaus Bares † | Bishop of Berlin, Germany |
| 6 Mar | 74.2 | Jean-Baptiste-Marie Budes de Guébriant, M.E.P. † | Superior General of La Société des Missions Etrangčres |
| 7 Mar | 55.3 | Bl. Leontiy Leonid Fedorov, M.S.U. † | Apostolic Exarch of Russia (Russian) |
| 13 Mar | 57.8 | Francis John Vaughan † | Bishop of Menevia, Wales, Great Britain |
| 18 Mar | 70.2 | Antonino Zecchini, S.J. † | Apostolic Nuncio to Latvia |
| 21 Mar | 74.7 | Adam Senger † | Auxiliary Bishop Emeritus of Bamberg, Germany |
| 23 Mar | 90.3 | Robert Browne † | Bishop of Cloyne, Ireland |
| 23 Mar | 66.1 | Nicolás González y Pérez, C.M.F. † | Vicar Apostolic of Fernando Poo, Equatorial Guinea |
| 29 Mar | 61.4 | Jules-Joseph Moury, S.M.A. † | Vicar Apostolic of Costa d’Avorio |
| 30 Mar | 64.1 | Ludwig Maria Hugo † | Bishop of Mainz, Germany |
| 2 Apr | 62.8 | Pasquale Gioia, C.R.S. † | Bishop of Molfetta, Giovinazzo e Terlizzi, Italy |
| 5 Apr | 79.0 | Achille Locatelli † | Cardinal, Chamberlain Emeritus of the College of Cardinals |
| 5 Apr | 76.4 | Giuseppe Scarlata † | Bishop of Muro Lucano, Italy |
| 12 Apr | 86.2 | Fidel Olivas Escudero † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 13 Apr | 68.9 | John Joseph O’Gorman, C.S.Sp. † | Vicar Apostolic Emeritus of Sierra Leone |
| 16 Apr | 68.7 | Giacinto Tonizza, O.F.M. † | Vicar Apostolic of Tripolitana, Libya |
| 23 Apr | 63.4 | Lorenzo Schioppa † | Apostolic Internuncio to Netherlands |
| 11 May | 75.5 | José María Bottaro y Hers, O.F.M. † | Archbishop Emeritus of Buenos Aires, Argentina |
| 13 May | 89.0 | Joseph (Jean) Oster, C.S.Sp. † | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 21 May | 62.6 | Paul-Marie Le Bihain, S.M.M. † | Bishop of Port-de-Paix, Haďti |
| 22 May | 61.6 | Bede Beckmeyer, O.S.B. † | Bishop of Kandy, Sri Lanka |
| 24 May | 71.3 | Patrick Joseph Clune, C.Ss.R. † | Archbishop of Perth, Australia |
| 25 May | 81.9 | Ange-Auguste Faisandier, S.J. † | Bishop Emeritus of Trichinopoly, India |
| 11 Jun | 60.4 | Ignace-Marie Le Ruzic † | Bishop Emeritus of Les Cayes, Haďti |
| 20 Jun | 60.9 | Gorgon Gregory Brandsma, M.H.M. † | Vicar Apostolic of Kisumu, Kenya |
| 22 Jun | 59.5 | Giovanni Pranzini † | Bishop of Carpi, Italy |
| 24 Jun | 64.7 | Henry John Paul Joseph Nussbaum, C.P. † | Bishop of Sault Sainte Marie and Marquette, Michigan, USA |
| 27 Jun | 61.6 | Stefano Aurelio Bacciarini, S.d.C. † | Apostolic Administrator of Lugano, Switzerland |
| 29 Jun | 65.9 | Epaminondas Nunes de Ávila e Silva † | Bishop of Taubaté, Sao Paulo, Brazil |
| 6 Jul | 75.5 | Ettore Lodi † | Auxiliary Bishop of Bologna, Italy |
| 8 Jul | 66.3 | Lazër Mjeda (Miedia) † | Archbishop of Shkodrë, Albania |
| 9 Jul | 74.6 | Pietro La Fontaine † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 10 Jul | 46.7 | Varfolomey Nikolay Remov † | Auxiliary Bishop of Moscow, Russian Federation |
| 12 Jul | 94.0 | Kálmán Kránitz † | Auxiliary Bishop of Veszprém, Hungary |
| 12 Jul | 85.1 | Francisco José Ribeiro Vieira e Brito † | Bishop of Lamego, Portugal |
| 23 Jul | 87.3 | François-Marie Kersuzan † | Bishop Emeritus of Cap-Haďtien, Haďti |
| 27 Jul | 74.7 | Émile Marie Luc Alphonse Barillon, M.E.P. † | Bishop Emeritus of Malacca, Singapore |
| 1 Aug | 78.3 | Peter Joseph Hurth, C.S.C. † | Bishop Emeritus of Nueva Segovia, Philippines |
| 2 Aug | 69.1 | Jean-Louis Clerc-Renaud, C.M. † | Vicar Apostolic Emeritus of Yükiang [Yujiang], China |
| 4 Aug | 57.8 | Matthias Li Jun-ho (Li Rongzhao, Ly Yun-ho) † | Vicar Apostolic of Yachow, China |
| 8 Aug | 71.5 | Paul-Raphaël Abi Mourad † | Patriarchal Vicar Emeritus of Jerusalem {Gerusalemme} (Melkite Greek), Palestine |
| 13 Aug | 68.3 | Antonio José Luis Castro Alvarez, SS.CC. † | Bishop Emeritus of San Carlos de Ancud, Chile |
| 15 Aug | 79.9 | Adauto Aurélio de Miranda Henriques † | Archbishop of Paraíba, Brazil |
| 20 Aug | 74.0 | František Zapletal † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 23 Aug | 58.3 | Vicente Huarte y San Martín, S.J. † | Vicar Apostolic of Wuhu [Wuhu], China |
| 25 Aug | 54.4 | Pierre Cheng Youxian (Cheng Youhin) † | Vicar Apostolic of Süanhwafu, China |
| 3 Sep | 62.4 | Johannes Dominicus Josephus Aengenent † | Bishop of Haarlem, Netherlands |
| 11 Sep | 75.7 | Pedro Pablo Drinot y Piérola, SS.CC. † | Bishop Emeritus of Huánuco, Peru |
| 25 Sep | 57.9 | Eduardo Parente † | Auxiliary Bishop Emeritus of Capua, Italy |
| 2 Oct | 57.8 | James Fitzpatrick † | Superior Emeritus of San Andrés y Providencia, Colombia |
| 5 Oct | 70.3 | Etienne-Benoît Larue, M. Afr. † | Vicar Apostolic of Bangueolo, Zambia |
| 9 Oct | 70.8 | Pierre Nommesch † | Bishop of Luxembourg |
| 14 Oct | 87.5 | Wolfgang Radnai † | Bishop Emeritus of Banská Bystrica, Slovakia |
| 22 Oct | 60.6 | Francesco Alessandro Cagliero, I.M.C. † | Prefect of Iringa, Tanzania |
| 26 Oct | 65.5 | Giuseppe Romeo † | Bishop of Nocera de’ Pagani, Italy |
| 4 Nov | 77.2 | Giacomo Ghio † | Archbishop Emeritus of Urbino, Italy |
| 11 Nov | 77.3 | Philip Richard McDevitt † | Bishop of Harrisburg, Pennsylvania, USA |
| 22 Nov | 66.0 | Carmine Cesarano, C.Ss.R. † | Bishop of Aversa, Italy |
| 23 Nov | 67.6 | Florentino Simón y Garriga, C.M.F. † | Prelate of Săo José de Alto Tocantins, Brazil |
| 27 Nov | 77.1 | Alessandro de Giorgi, O.Ss.C.A. † | Auxiliary Bishop of Milano {Milan}, Italy |
| 29 Nov | 76.3 | Rufino Santos Pérez, O.E.S.A. † | Prefect Emeritus of San León del Amazonas, Peru |
| 8 Dec | 61.0 | Giuseppe Vizzini † | Bishop of Noto, Italy |
| 9 Dec | 78.3 | Charles Givelet, S.J. † | Vicar Apostolic of Fianarantsoa, Madagascar |
| 11 Dec | 58.4 | Guilherme Müller † | Bishop of Barra do Piraí, Brazil |
| 15 Dec | 61.8 | Francesco Cammarota † | Bishop of Capaccio e Vallo della Lucania, Italy |
| 16 Dec | 75.9 | Michele Lega † | Cardinal, Prefect of the Congregation of the Discipline of the Sacraments |
| 16 Dec | 52.0 | Alphonse John Smith † | Bishop of Nashville, Tennessee, USA |
| 25 Dec | 82.3 | Joăo de Almeida Ferrăo (Terra) † | Bishop of Campanha, Minas Gerais, Brazil |