| Date | Age | Bishop | Title |
| unknown | 42.6 | Emilio Favarato, O.F.M. Conv. † | Prefect Emeritus of Ankang [Hinganfu], China |
| unknown | | Giuseppe Kirsten, C.S.Sp. † | Prefect of Benue, Nigeria |
| unknown | | Henrique Klein † | Prelate of Juruá, Acre, Brazil |
| 6 Jan | 73.2 | Manuel Prat Pujoldevall, O.P. † | Bishop of Xiamen [Hsiamen, Amoy], China |
| 17 Jan | 63.2 | Jean-Marie-Rodrigue Villeneuve, O.M.I. † | Cardinal, Archbishop of Québec, Canada |
| 25 Jan | 66.6 | Johannes Damascus Jesacher (Iesacher), O.F.M. † | Prefect of Lingling [Yungchow], China |
| 28 Jan | 82.7 | Luigi Maria Perego, O.S.B. † | Abbot Emeritus of Monte Oliveto Maggiore, Italy |
| 28 Jan | 64.1 | Louis-Michel-François Tardy, C.S.Sp. † | Vicar Apostolic of Gabon, Gabon |
| 30 Jan | 79.2 | Joseph Martin Nathan † | Auxiliary Bishop of Olomouc, Czechia |
| 31 Jan | 61.5 | Daniel Kauczor, M.F.S.C. † | Prefect Emeritus of Lydenburg, South Africa |
| 1 Feb | 70.3 | Filippo Cortesi † | Apostolic Nuncio to Poland |
| 3 Feb | 62.6 | Pierre-Marie Durieux † | Archbishop of Chambéry, France |
| 4 Feb | 58.9 | John Francis Eich, O.S.F.S. † | Vicar Apostolic of Great Namaqualand, Namibia |
| 5 Feb | 75.9 | Michel Akras † | Archbishop Emeritus of Alep [Beroea, Halab] (Maronite), Syria |
| 5 Feb | 73.3 | Anton Hilfrich † | Bishop of Limburg, Germany |
| 12 Feb | 82.7 | Tito Trocchi † | Official of the Apostolic Chamber |
| 13 Feb | 74.9 | Juan Villar y Sanz † | Bishop of Lérida, Spain |
| 21 Feb | 80.0 | John Joseph Brown, S.J. † | Former Bishop-Elect of El Paso, Texas, USA |
| Mar | 52.5 | Égide Marie (Donat) Roy, O.F.M. † | Prefect Emeritus of Kagoshima, Japan |
| 2 Mar | 80.9 | Leopold Prečan † | Archbishop of Olomouc, Czechia |
| 9 Mar | 86.9 | Cyrillo de Paula Freitas † | Bishop Emeritus of Corumbá, Mato Grosso do Sul, Brazil |
| 17 Mar | 65.6 | Thomas Henry McLaughlin † | Bishop of Paterson, New Jersey, USA |
| 22 Mar | 70.5 | Joaquim Mamede da Silva Leite † | Auxiliary Bishop of Campinas, Brazil |
| 22 Mar | 72.5 | Pierre Rossillon, M.S.F.S. † | Bishop of Vizagapatnam, India |
| 29 Mar | 74.2 | Ignaz (Josef Thomas) Staub, O.S.B. † | Abbot of Maria Einsiedeln, Switzerland |
| 1 Apr | 78.6 | Joaquim Antônio de Almeida † | Bishop Emeritus of Natal, Brazil |
| 3 Apr | 66.4 | Ferdinando Ricca † | Bishop of Trapani, Italy |
| 7 Apr | 64.5 | Aristides de Araújo Porto † | Bishop of Montes Claros, Brazil |
| 30 Apr | 63.4 | Joseph-Marie Birraux, M. Afr. † | Superior General of Missionaries of Africa (White Fathers) |
| 6 May | 65.0 | Peter Joseph Monahan † | Archbishop of Regina, Saskatchewan, Canada |
| 16 May | 67.5 | Michael Joseph Curley † | Archbishop of Baltimore-Washington, Maryland, USA |
| 16 May | 80.5 | Francis Joseph Wall † | Auxiliary Bishop of Dublin, Ireland |
| 6 Jun | 61.4 | Giuseppe Cogoni † | Archbishop of Oristano, Italy |
| 10 Jun | 83.9 | Pierre Marceillac † | Bishop of Pamiers (-Couserans-Mirepoix), France |
| 13 Jun | 60.2 | Francis Joseph Magner † | Bishop of Marquette, Michigan, USA |
| 16 Jun | 66.8 | Francesco Petronelli † | Archbishop of Trani e Barletta (e Nazareth e Bisceglie), Italy |
| 29 Jun | 77.0 | Pavol Jantausch † | Apostolic Administrator of Trnava (Tirnava), Slovakia |
| 2 Jul | 77.5 | Gabriele Vettori † | Archbishop of Pisa, Italy |
| 3 Jul | 73.8 | Henry John Althoff † | Bishop of Belleville, Illinois, USA |
| 3 Jul | 77.6 | Santos Ballesteros y López, O.A.R. † | Vicar Apostolic Emeritus of Casanare, Colombia |
| 7 Jul | 66.7 | Maximilian Josef Johannes Kaller † | Bishop of Warmia (Ermland), Poland |
| 7 Jul | 91.3 | Anton Karaś (Karosas) † | Bishop of Vilkaviškis, Lithuania |
| 19 Jul | 63.6 | Walter James Fitzgerald, S.J. † | Vicar Apostolic of Alaska, USA |
| 21 Jul | 94.9 | Yousef VI Emmanuel II Thomas † | Patriarch of Babylon {Babilonia} (Chaldean), Iraq |
| 28 Jul | 71.3 | Jean-Marie Masson, O.M.I. † | Archbishop of Colombo in Ceylon, Sri Lanka |
| 30 Jul | 83.0 | André-Léonce-Joseph Eloy, M.E.P. † | Vicar Apostolic of Vinh, Viet Nam |
| 31 Jul | 79.9 | Adriaan Smets † | Apostolic Delegate Emeritus to Persia |
| 1 Aug | 69.4 | Alessandro Macchi † | Bishop of Como, Italy |
| 2 Aug | 66.5 | Luis A. Venegas Henríquez † | Ecclesiastical Governor (Vicar General) Emeritus of Chillán, Chile |
| 4 Aug | 62.5 | Marcel-Auguste-Marie Grandin, C.S.Sp. † | Vicar Apostolic of Bangui, Central African Republic |
| 6 Aug | 79.4 | Eugène Curien † | Bishop Emeritus of La Rochelle (-Saintes), France |
| 16 Aug | 73.4 | Ramón Font y Farrés, C.M.F. † | Bishop of Tarija, Bolivia |
| 25 Aug | 89.0 | Victor Roelens, M. Afr. † | Vicar Apostolic Emeritus of Baudouinville, Congo (Dem. Rep.) |
| 30 Aug | 69.7 | Mario Giardini, B. † | Archbishop Emeritus of Ancona e Numana, Italy |
| 8 Sep | 91.8 | Cyril IX Mogabgab † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 20 Sep | 72.1 | Luigi Noviello † | Bishop of Alife, Italy |
| 27 Sep | 75.4 | Luigi Barlassina † | Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 1 Oct | 67.0 | Domenico Argnani † | Bishop of Macerata e Tolentino, Italy |
| 6 Oct | 70.3 | Miguel Antonio Mejía † | Bishop of Guayana, Venezuela |
| 10 Oct | 84.0 | Francesco Emanuelli † | Bishop of Ales e Terralba, Italy |
| 24 Oct | 77.2 | Carlo Salotti † | Cardinal, Prefect of the Congregation of (Sacred) Rites |
| 30 Oct | 72.9 | John Joseph Cantwell † | Archbishop of Los Angeles, California, USA |
| 1 Nov | 36.5 | Bl. Teodor Yuriy Romzha † | Apostolic Administrator of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 10 Nov | 67.7 | Pedro Eggerath, O.S.B. † | Abbot Emeritus of Nossa Senhora do Monserrate do Rio de Janeiro, Brazil |
| 11 Nov | 73.4 | Giuseppe Venturi † | Archbishop of Chieti, Italy |
| 17 Nov | 71.7 | Bl. Josaphat Joseph Kocylovskyj (Kotsylovsky), O.S.B.M. † | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| 23 Nov | 76.5 | Hieronymus Maria Mileta, O.F.M. Conv. † | Bishop of Šibenik (Knin), Croatia |
| 23 Nov | 60.9 | James Hugh Ryan † | Archbishop of Omaha, Nebraska, USA |
| 10 Dec | 71.0 | Pierre-André-Charles Petit de Julleville † | Cardinal, Archbishop of Rouen, France |
| 13 Dec | 68.7 | Basile Octave Tanghe, O.F.M. Cap. † | Vicar Apostolic of Ubanghi Belga {Belgian Ubanghi}, Congo (Dem. Rep.) |
| 19 Dec | 74.8 | Eugenio Artaraz Emaldi, O.P. † | Vicar Apostolic of Bac Ninh, Viet Nam |
| 20 Dec | 73.7 | Honoré-Joseph Coppieters † | Bishop of Gent {Ghent, Gand}, Belgium |
| 20 Dec | 69.1 | Santino Margaria † | Bishop of Civita Castellana, Orte e Gallese, Italy |
| 21 Dec | 62.7 | José Pereira Alves † | Bishop of Niterói (Nictheroy), Brazil |
| 21 Dec | 54.7 | Emile Yelle, P.S.S. † | Coadjutor Archbishop Emeritus of Saint-Boniface, Manitoba, Canada |
| 22 Dec | 60.2 | John Aloysius Coleman † | Bishop of Armidale, Australia |
| 22 Dec | 65.3 | Maurilio Silvani † | Apostolic Internuncio to Austria |
| 23 Dec | 87.2 | José Miralles y Sbert † | Bishop of Mallorca, Spain |
| 27 Dec | 72.7 | Victoriano Román Zárate (de San José), O.A.R. † | Prefect Emeritus of Palawan, Philippines |
| 29 Dec | 70.6 | Robert Edwin Brown, S.J. † | Prefect Emeritus of Salisbury, Zimbabwe |