| Date | Age | Bishop | Title |
| unknown | | Paolo Adamo Curran, O.P. † | Prefect of Kienow [Jian’ou], China |
| unknown | | Giovanni Deutsch, SS.CC. † | Prefect of Central Norway {Norvegia Centrale} [Mellom-Norge] |
| unknown | | Leandro Nieto y Bolandier, O.A.R. † | Prefect of Palawan, Philippines |
| unknown | | Giuseppe Ribeiro de Magalhaes, O.F.M. † | Prefect of Guinea Portoghese, Guinea-Bissau |
| unknown | 75.4 | Joseph Tsui Shou-hsün † | Bishop of Yüngnien [Weixian], China |
| 2 Jan | 72.6 | Fortunato Chirichigno Pontolido, S.D.B. † | Bishop of Piura, Peru |
| 3 Jan | 72.9 | Philip George Scher † | Bishop of Monterey-Fresno, California, USA |
| 11 Jan | 61.0 | Zoltan Lajos Meszlényi † | Auxiliary Bishop of Esztergom, Hungary |
| 13 Jan | 73.2 | Fulvio Tessaroli † | Bishop Emeritus of Segni, Italy |
| 17 Jan | 90.7 | Giacomo Richardo Vilanova y Meléndez † | Bishop of Santa Ana, El Salvador |
| 31 Jan | 69.6 | Enrico Leven, S.V.D. † | Vicar Apostolic Emeritus of Isole della Piccola Sonda, Indonesia |
| 14 Feb | 65.9 | Balbino Santos y Olivera † | Archbishop of Granada, Spain |
| 15 Feb | 70.7 | Franz Hartz † | Prelate Emeritus of Schneidemühl, Poland |
| 18 Feb | 68.9 | Pio Giardina † | Bishop of Nicosia, Italy |
| 19 Feb | 72.3 | Giovanni Battista Anselmo, P.I.M.E. † | Bishop Emeritus of Dinajpur, Bangladesh |
| 20 Feb | 71.2 | Augustinus Philipp Baumann † | Auxiliary Bishop of Paderborn, Germany |
| 10 Mar | 77.9 | Ignacy Maria Dubowski † | Bishop Emeritus of Luceoria o Łuck e Zytomir o Zytomierz, Ukraine |
| 30 Mar | 67.6 | Alexandre Vachon † | Archbishop of Ottawa, Ontario, Canada |
| 12 Apr | 72.8 | John Dignan † | Bishop of Clonfert, Ireland |
| 15 Apr | 76.4 | Moses Elias Kiley † | Archbishop of Milwaukee, Wisconsin, USA |
| 17 Apr | 79.8 | Henri-Edouard Dutoit † | Bishop Emeritus of Arras, France |
| 18 Apr | 61.3 | Giovanni Groen, M.S.F. † | Vicar Apostolic of Bandjarmasin, Indonesia |
| 7 May | 70.0 | Juan Francisco Aragone † | Archbishop Emeritus of Montevideo, Uruguay |
| 11 May | 67.3 | Francesco Saverio Bini, M.C.C.I. † | Vicar Apostolic of Khartoum, Sudan |
| 15 May | 72.6 | Antonio García y García † | Archbishop of Valladolid, Spain |
| 15 May | 83.4 | Henri Léonard, M. Afr. † | Vicar Apostolic Emeritus of Tabora, Tanzania |
| 18 May | 72.4 | Patrick Joseph McCormick † | Auxiliary Bishop of Washington, District of Columbia, USA |
| 18 May | 58.0 | Luigi Santa, I.M.C. † | Bishop of Rimini, Italy |
| 25 May | 79.2 | César Antonio Cáneva † | Bishop of Azul, Argentina |
| 31 May | 87.1 | Joseph Francis Busch † | Bishop of Saint Cloud, Minnesota, USA |
| 16 Jun | 72.1 | Richard Downey † | Archbishop of Liverpool, England, Great Britain |
| 17 Jun | 69.9 | Patrick Albert Bray, C.I.M. † | Bishop of Saint John, New Brunswick, Canada |
| 20 Jun | 69.5 | Charles-Albert Gounot, C.M. † | Archbishop of Carthage, Tunisia |
| 27 Jun | 45.6 | Giovanni Suciu † | Apostolic Administrator of Făgăraş şi Alba Iulia (Romanian), Romania |
| 28 Jun | 68.6 | Adriano Bernareggi † | Bishop of Bergamo, Italy |
| 28 Jun | 70.3 | Etienne Katcho † | Auxiliary Bishop of Babylon {Babilonia} (Chaldean), Iraq |
| 7 Jul | 52.4 | Michele Rateni † | Bishop of San Marco e Bisignano, Italy |
| 15 Jul | 70.8 | Ivanios (Giovanni) Giorgio Tommaso Panickerveetil † | Archbishop of Trivandrum (Malankarese), India |
| 18 Jul | 81.5 | Hormisdas Etienne Djibri † | Archbishop of Kerkuk (Chaldean), Iraq |
| 19 Jul | 63.8 | John Joseph Boylan † | Bishop of Rockford, Illinois, USA |
| 5 Aug | 87.9 | Auguste-Fernand Leynaud † | Archbishop of Alger, Algeria |
| 12 Aug | 67.1 | Pietro Ermenegildo Focaccia, O.F.M. † | Bishop of Yütze [Yuci], China |
| 14 Aug | 53.6 | Atanasio Paolo Hindo † | Archbishop of Baghdad (Syrian), Iraq |
| 24 Aug | 83.1 | Elias Richa † | Bishop of Baalbek (Maronite), Lebanon |
| 28 Aug | 67.9 | Louis-Gabriel-Xavier Jantzen, M.E.P. † | Archbishop Emeritus of Chungking [Chongqing], China |
| 29 Aug | 64.4 | Francis Joseph Haas † | Bishop of Grand Rapids, Michigan, USA |
| 30 Aug | 65.4 | Giovanni Maria Emilio Castellani, O.F.M. † | Official of the Secretariat of State |
| 31 Aug | 54.9 | Jean Batiot, C.S.Sp. † | Vicar Apostolic of Majunga, Madagascar |
| 18 Sep | 66.7 | Ubald Langlois, O.M.I. † | Vicar Apostolic of Grouard, Alberta, Canada |
| 19 Sep | 69.6 | Giuseppe Debernardi † | Bishop of Pistoia-Prato, Italy |
| 2 Oct | 70.3 | Umberto Ugliengo † | Bishop of Susa, Italy |
| 3 Oct | 42.6 | Szilárd István Bogdánffy † | Auxiliary Bishop of Satu Mare {Szatmár}, Romania |
| 6 Oct | 70.0 | Giacomo Uberto Goumans, O.S.Cr. † | Vicar Apostolic Emeritus of Bandung, Indonesia |
| 10 Oct | 75.3 | Roberto Vicentini † | Patriarch of Antiochia {Antioch}, Syria |
| 13 Oct | 78.2 | Bernardo Bertoglio † | Bishop of Bobbio-San Colombano, Italy |
| 13 Oct | 86.6 | Dionigi Vismara † | Bishop Emeritus of Hyderabad, India |
| 5 Nov | 82.9 | Alain Guynot de Boismenu, M.S.C. † | Vicar Apostolic Emeritus of Papua, Papua New Guinea |
| 8 Nov | 69.8 | Mecislovas Reinys † | Auxiliary Bishop of Vilnius, Lithuania |
| 30 Nov | 54.8 | Joseph Masterson † | Archbishop of Birmingham, England, Great Britain |
| 15 Dec | 87.2 | Bonaventura Porta † | Bishop Emeritus of Pesaro, Italy |
| 25 Dec | 99.5 | Leonida Medina † | Bishop Emeritus of Socorro y San Gil, Colombia |