| Date | Age | Bishop | Title |
| unknown | | Roberto de Castellanza, O.F.M. Cap. † | Apostolic Administrator of São José do Grajaú, Brazil |
| unknown | | Bertrando Cothonay, O.P. † | Prefect of Lang Són et Cao Bang, Viêt Nam |
| unknown | | Leone Dérikx, O. Praem. † | Prefect of Western Uélé {Uélé Occidental}, Congo (Dem. Rep.) |
| unknown | | Giustino Fabre † | Prefect of French Guiana-Cayenne, French Guyana, Antilles |
| unknown | 60.3 | Graziano Génnaro, O.F.M. † | Vicar Apostolic of Eastern Hupeh {Hu-Pè Orientale}, China |
| unknown | | Guglielmo Herting, C.S.Sp. † | Prefect of Kroonstad, South Africa |
| unknown | 87.8 | Agnello Renzullo † | Bishop Emeritus of Nola, Italy |
| unknown | | Emilio Rolin, O.P. † | Prefect of Eastern Uélé {Uélé Orientale}, Congo (Dem. Rep.) |
| unknown | | Alessandro dei Santi, O.SS.T. † | Prefect of Benadir, Somalia |
| unknown | | Luis A. Venegas Henríquez † | Apostolic Administrator of Chillán, Chile |
| unknown | 76.0 | Giovanni Vescia † | Bishop of Policastro, Italy |
| 12 Jan | 78.2 | Girolamo Van Aertselaer, C.I.C.M. † | Vicar Apostolic of Tchagar, China |
| 20 Jan | 70.5 | Luigi Boschi † | Bishop of Ripatransone, Italy |
| 23 Jan | 69.5 | Vincenzo Bacchi † | Bishop of Faenza, Italy |
| 27 Jan | 82.9 | Giuseppe Fiorenza † | Archbishop Emeritus of Siracusa, Italy |
| 30 Jan | 64.2 | José Gregorio Castro, O.F.M. † | Bishop Emeritus of Cuzco, Peru |
| 9 Feb | 66.8 | Richard Collins † | Bishop of Hexham and Newcastle, England, Great Britain |
| 15 Feb | 74.7 | Jerónimo Thomé da Silva † | Archbishop of São Salvador da Bahia, Brazil |
| 19 Feb | 60.9 | John Edward Gunn, S.M. † | Bishop of Natchez, Mississippi, USA |
| 20 Feb | 62.2 | Dominic Pozzoni, P.I.M.E. † | Vicar Apostolic of Hong Kong [Xianggang], China |
| 21 Feb | 76.5 | Theophile Meerschaert † | Bishop of Oklahoma, USA |
| 10 Mar | 72.9 | Giulio Vaccaro † | Archbishop of Bari (-Canosa), Italy |
| 11 Mar | 80.8 | Nicola Averardi † | Titular Archbishop of Tarsus |
| 12 Mar | 82.6 | Federico Polloni † | Bishop of Bertinoro, Italy |
| 13 Mar | 54.1 | François-Ignace Hummel, S.M.A. † | Vicar Apostolic of Costa d’Oro {Gold Coast}, Ghana |
| 14 Mar | 52.1 | Rocco Caliandro † | Bishop of Termoli, Italy |
| 28 Mar | 82.2 | St. Józef Sebastian Pelczar † | Bishop of Przemyśl, Poland |
| 9 Apr | 68.0 | Emile-Auguste Allgeyer, C.S.Sp. † | Vicar Apostolic Emeritus of Zanzibar, Kenya |
| 18 Apr | 72.3 | Denis Kelly † | Bishop of Ross, Ireland |
| 24 Apr | 74.6 | Giovanni Battista Boracchia † | Bishop of Massa Marittima, Italy |
| 11 May | 74.4 | Célestin-Félix-Joseph Chouvellon, M.E.P. † | Vicar Apostolic of Eastern Szechwan {Se-Ciuen Orientale}, China |
| 12 May | 66.3 | Louis Sebastian Walsh † | Bishop of Portland, Maine, USA |
| 21 May | 78.4 | Ildefonso Vincenzo Pisani, C.R.L. † | Bishop Emeritus of Anglona-Tursi, Italy |
| 21 May | 69.9 | Pierre Verdier † | Auxiliary Bishop of Rodez (-Vabres), France |
| 26 May | 83.3 | Cláudio José Gonçalves Ponce de Leon, C.M. † | Archbishop Emeritus of Porto Alegre, Rio Grande do Sul, Brazil |
| 2 Jun | 75.9 | Francesco Ciceri † | Bishop of Pavia, Italy |
| 2 Jun | 85.3 | Ferdinand von Schlör † | Bishop of Würzburg, Germany |
| 6 Jun | 80.7 | Andrea Righetti † | Bishop of Carpi, Italy |
| 15 Jun | 53.3 | Camillo Francesco Carrara, O.F.M. Cap. † | Vicar Apostolic of Eritrea |
| 22 Jun | 68.6 | Pacificio Fiorani † | Bishop of Osimo e Cingoli, Italy |
| 23 Jun | 62.3 | Brizio Meuleman, S.J. † | Archbishop of Calcutta, India |
| 28 Jun | 81.5 | Jean-Joseph Tournier † | Auxiliary Bishop of Carthage, Tunisia |
| 19 Jul | 78.5 | Joseph Guérard † | Bishop of Coutances (-Avranches), France |
| 24 Jul | 75.0 | Leo Michael Haid, O.S.B. † | Vicar Apostolic of North Carolina, USA |
| 5 Aug | 62.0 | Marcelin-Charles Marty † | Bishop of Nimes (-Uzès e Alès), France |
| 6 Aug | 84.4 | Thomas Joseph Dowling † | Bishop of Hamilton, Ontario, Canada |
| 12 Aug | 77.7 | Máximo Fernández, O.P. † | Vicar Apostolic Emeritus of Central Tonking {Tonkino Centrale}, Viêt Nam |
| 25 Aug | 51.8 | Calogero Licata † | Bishop of Calvi e Teano, Italy |
| 2 Sep | 63.6 | Natale Serafino † | Bishop Emeritus of Chiavari, Italy |
| 11 Sep | 77.0 | Ramón Barberá y Boada † | Bishop of Palencia, Spain |
| 18 Sep | 77.7 | Matteo Vido † | Archbishop of Naxos, Andros, Tinos e Mykonos, Greece |
| 19 Sep | 72.6 | Antonio Augusto Intreccialagli, O.C.D. † | Archbishop of Monreale, Italy |
| 4 Oct | 57.9 | Victor-Charles Quinton, M.E.P. † | Vicar Apostolic of Western Cochin {Cocincina Occidentale}, Viêt Nam |
| 16 Oct | 72.4 | Eduardo Duarte e Silva † | Bishop Emeritus of Uberaba, Brazil |
| 23 Oct | 60.4 | Giacomo Laminne † | Auxiliary Bishop of Liège, Belgium |
| 1 Nov | 67.8 | Giuseppe Lang † | Auxiliary Bishop of Zagreb, Croatia |
| 7 Nov | 81.6 | Ioannes Maria Camilleri, O.S.A. † | Bishop Emeritus of Gozo, Malta |
| 19 Nov | 84.1 | Michael Logue † | Cardinal, Archbishop of Armagh, Ireland |
| 27 Nov | 55.8 | Amedeo Crooy † | Bishop of Tournai {Doornik}, Belgium |
| 6 Dec | 79.6 | Herman Joseph Alerding † | Bishop of Fort Wayne, Indiana, USA |
| 14 Dec | 48.0 | Pietro Pomares y de Morant † | Archbishop of Bari (-Canosa), Italy |
| 18 Dec | 50.1 | Francesco Sidoli † | Archbishop of Genova, Italy |
| 28 Dec | 54.4 | Angel Regueras y López † | Bishop of Salamanca, Spain |
| 30 Dec | 68.6 | Oreste Giorgi † | Cardinal, Major Penitentiary of the Apostolic Penitentiary |