| Date | Age | Bishop | Title |
| unknown | | Patrizio Tommaso Brennan, S.S.C.M.E. † | Prefect of Kwangju, Korea (South) |
| unknown | 82.5 | Alfonso Ferrandina † | Auxiliary Bishop of Napoli {Naples}, Italy |
| unknown | | Pietro Alcantara da Habas, O.F.M. Cap. † | Prefect of Berbérati, Central African Republic |
| unknown | 69.8 | Giuseppe Ramiro Marcone, O.S.B. † | Abbot of Montevergine, Italy |
| unknown | | Giovanni Enrico Mazoyer, O.M.I. † | Prefect of Vientiane e Luang-Prabang, Laos |
| unknown | | Wesceslau Nazareno Ponte de Spoleto, O.F.M. Cap. † | Bishop-Elect of Alto Solimões, Amazonas, Brazil |
| unknown | | Francesco Sanz Pascual, C.M.F. † | Prefect of Chocó, Colombia |
| 1 Jan | 50.4 | Giuseppe Di Donna, O.SS.T. † | Bishop of Andria, Italy |
| 5 Jan | 69.3 | Henri-Jean-Maria Prud'homme † | Bishop Emeritus of Prince-Albert, Saskatchewan, Canada |
| 6 Jan | 86.7 | José Antonio Lezcano y Ortega † | Archbishop of Managua, Nicaragua |
| 8 Jan | 81.8 | Arturo Celestino Alvarez † | Bishop of Calabozo, Venezuela |
| 9 Jan | 82.1 | Andrea Cassulo † | Apostolic Delegate to Turkey |
| 15 Jan | 62.6 | Francisco Blanco Nájera † | Bishop of Orense, Spain |
| 18 Jan | 80.6 | Ange-Marie-Paul Hiral, O.F.M. † | Vicar Apostolic of Canale di Suez {Suez Canal}, Egypt |
| 26 Jan | 70.7 | Alexandre-François-Marie Carlo, M.E.P. † | Bishop of Lanlung [Anlong], China |
| 30 Jan | 83.5 | Luigi Ferri † | Bishop Emeritus of Montalto, Italy |
| 1 Feb | 92.0 | Giuseppe Alves Matoso † | Bishop of Guarda, Portugal |
| 1 Feb | 66.7 | Felice Cribellati † | Bishop of Nicotera-Tropea, Italy |
| 2 Feb | 75.1 | William Henry Mellon † | Bishop of Galloway, Scotland, Great Britain |
| 12 Feb | 51.6 | Ambrose Kelly, C.S.Sp. † | Archbishop of Freetown and Bo, Sierra Leone |
| 18 Feb | 79.9 | Antoine-Pierre-Jean Fourquet, M.E.P. † | Archbishop Emeritus of Canton [Guangzhou], China |
| 19 Feb | 61.5 | Francesco Giberti † | Bishop of Fidenza, Italy |
| 21 Feb | 60.1 | Francis Xavier Ford, M.M. † | Bishop of Kaying [Meixian], China |
| 21 Feb | 75.0 | Agostino de Jesus e Souza † | Bishop of Porto, Portugal |
| 29 Feb | 86.6 | Augstín Barrere, F.M.I. † | Bishop of Tucumán, Argentina |
| 29 Feb | 72.6 | Roger-Henri-Marie Beaussart † | Auxiliary Bishop of Paris, France |
| 8 Mar | 74.1 | Cyrill Rudolph Jarre, O.F.M. † | Archbishop of Tsinan [Jinan], China |
| 13 Mar | 85.2 | Jenaro Méndez del Río † | Bishop of Huajuapan de León, Oaxaca, México |
| 13 Mar | 79.5 | Giovanni Battista Nasalli Rocca di Corneliano † | Cardinal, Archbishop of Bologna, Italy |
| 15 Mar | 71.9 | Wilhelm Burger † | Auxiliary Bishop of Freiburg im Breisgau, Germany |
| 19 Mar | 71.0 | Viktor Bieler † | Bishop of Sion {Sitten}, Switzerland |
| 20 Mar | 80.3 | Albino Morera † | Bishop Emeritus of Ampurias e Tempio, Italy |
| 25 Mar | 64.4 | János Scheffler † | Bishop of Satu Mare {Szatmár}, Romania |
| 29 Mar | 84.2 | François Steinmetz, S.M.A. † | Vicar Apostolic Emeritus of Dahomey, Benin |
| 3 Apr | 82.5 | Carmelo Patané † | Archbishop of Catania, Italy |
| 6 Apr | 73.3 | Oscar Morin, M. Afr. † | Vicar Apostolic Emeritus of Navrongo, Ghana |
| 8 Apr | 80.4 | Franz Kamprath † | Auxiliary Bishop of Wien {Vienna}, Austria |
| 12 Apr | 84.1 | Auguste-Joseph-Marie Cogneau † | Auxiliary Bishop Emeritus of Quimper [Cornouailles](-Léon), France |
| 12 Apr | 65.7 | Alfredo Le Pailleur, C.S.C. † | Bishop Emeritus of Chittagong, Bangladesh |
| 14 Apr | 70.5 | Giacomo Luigi (James Louis) Cheng † | Vicar Apostolic of Chantaburi, Thailand |
| 21 Apr | 67.1 | Antonio Picconi † | Bishop of Vigevano, Italy |
| 28 Apr | 72.5 | Clemente Fernández, O.P. † | Prefect Emeritus of Formosa Island {Isola Formosa), Taiwan |
| 8 May | 59.1 | Michele Verhoeks, C.M. † | Vicar Apostolic of Surabaia, Indonesia |
| 10 May | 68.7 | Henricus Lamiroy † | Bishop of Brugge {Bruges}, Belgium |
| 11 May | 79.6 | Alessio Ascalesi, C.Pp.S. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 11 May | 69.7 | Basilio Cattan † | Archbishop Emeritus of Beirut and Jbeil {Bairut e Gibail} (Melkite), Lebanon |
| 22 May | 80.9 | Wenceslas Joseph Kinold, O.F.M. † | Vicar Apostolic Emeritus of Sapporo, Japan |
| 22 May | 81.4 | Benjamin-Octave Roland-Gosselin † | Bishop Emeritus of Versailles, France |
| 28 May | 70.2 | Philippe Servulo Desranleau † | Archbishop of Sherbrooke, Québec, Canada |
| 3 Jun | 72.5 | Constancio Jurgens, C.I.C.M. † | Bishop Emeritus of Tuguegarao, Philippines |
| 6 Jun | 78.5 | Thomas Joseph Walsh † | Archbishop of Newark, New Jersey, USA |
| 7 Jun | 88.9 | Henri Streicher, M. Afr. † | Vicar Apostolic Emeritus of Uganda |
| 8 Jun | 53.4 | Víctor Manuel Sanabria Martínez † | Archbishop of San José de Costa Rica |
| 11 Jun | 83.6 | Pietro Calchi Novati † | Bishop of Lodi, Italy |
| 12 Jun | 83.3 | Michael von Faulhaber † | Cardinal, Archbishop of München und Freising {Munich}, Germany |
| 23 Jun | 69.9 | Joannes Walter Panis, M.S.C. † | Vicar Apostolic Emeritus of Manado, Indonesia |
| 25 Jun | 69.6 | Alessandro Guidati † | Archbishop Emeritus of Naxos, Andros, Tinos e Mykonos, Greece |
| 3 Jul | 65.4 | Gabriel-Emmanuel-Joseph Piguet † | Bishop of Clermont, France |
| 4 Jul | 84.4 | Sergio Der Abrahamian † | Auxiliary Bishop of Roma {Rome}, Italy |
| 9 Jul | 61.3 | Thomas Francis Markham † | Auxiliary Bishop of Boston, Massachusetts, USA |
| 29 Jul | 74.1 | Guillermo Tritschler y Córdoba † | Archbishop of Monterrey, Nuevo León, México |
| 6 Aug | 73.3 | Umberto Rossi † | Bishop of Asti, Italy |
| 24 Aug | 94.1 | Daniel Cohalan † | Bishop of Cork, Ireland |
| 26 Aug | 85.5 | Giovanni Cazzani † | Bishop of Cremona, Italy |
| 5 Sep | 70.4 | Johannes Baptist Geisler † | Bishop Emeritus of Brixen {Bressanone}, Italy |
| 27 Sep | 75.3 | Frédéric-Joseph-Marie Provost, M.E.P. † | Vicar Apostolic of Southern Burma {Birmania Meridionale}, Myanmar |
| 27 Sep | 80.0 | Ernst Karl Jakob Seydl † | Auxiliary Bishop of Wien {Vienna}, Austria |
| 1 Oct | 72.4 | Candido Domenico Moro, O.F.M. † | Vicar Apostolic Emeritus of Benghazi, Libya |
| 4 Oct | 75.5 | Michael O’Brien † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 10 Oct | 60.5 | Gabriele Martelino Reyes † | Archbishop of Manila, Philippines |
| 15 Oct | 93.4 | Stefano Corbini † | Bishop Emeritus of Foligno, Italy |
| 21 Oct | 87.7 | Eugenio (Juan Bautista) da Carcagente (Soler Rodríguez), O.F.M. Cap. † | Prefect of San Andrés y Providencia, Colombia |
| 21 Oct | 68.5 | Auguste-Ernest-Désiré-Marie Gaspais, M.E.P. † | Bishop of Kirin [Jilin], China |
| 11 Nov | 52.0 | Bl. Vincentius Eugenio Bossilkoff, C.P. † | Bishop of Nicopoli, Bulgaria |
| 15 Nov | 63.3 | Gennaro Fenizia † | Bishop of Cava e Sarno, Italy |
| 16 Nov | 71.9 | James Augustine McFadden † | Bishop of Youngstown, Ohio, USA |
| 18 Nov | 81.4 | John Thomas McNally † | Archbishop of Halifax, Nova Scotia, Canada |
| 21 Nov | 77.2 | Pierre-Marie-David Le Cadre, SS.CC. † | Vicar Apostolic of Marquesas Islands {Isole Marchesi}, French Polynesia, Pacific (Oceania) |
| 24 Nov | 65.1 | Georges Six, C.I.C.M. † | Vicar Apostolic of Léopoldville, Congo (Dem. Rep.) |
| 27 Nov | 82.7 | René-Marie-Joseph Perros, M.E.P. † | Vicar Apostolic Emeritus of Bangkok, Thailand |
| Dec | 77.6 | Valeriu Traian Frentiu † | Bishop of Oradea Mare {Gran Varadino} (Romanian), Romania |
| 1 Dec | 72.3 | Joseph Louis Adhémar Lapierre, P.M.E. † | Bishop of Szepingkai [Siping], China |
| 2 Dec | 90.7 | Jean-Arthur Chollet † | Archbishop of Cambrai, France |
| 15 Dec | 84.1 | Emmanuel Boleslaus Ledvina † | Bishop Emeritus of Corpus Christi, Texas, USA |
| 20 Dec | 77.6 | Joseph Gionali (Gjonali) † | Bishop Emeritus of Sapë, Albania |
| 28 Dec | 64.7 | Carlo Agostini † | Patriarch of Venezia {Venice}, Italy |