| Date | Age | Bishop | Title |
| unknown | 76.4 | Giuseppe Boraggini † | Bishop of Savona e Noli, Italy |
| unknown | 55.3 | Costantino Costa, C.P. † | Bishop of Segni, Italy |
| unknown | 71.0 | Isidore-Joseph du Rousseaux † | Bishop of Tournai {Doornik}, Belgium |
| unknown | 74.7 | Francesco Gašparić † | Titular Bishop of Castoria |
| unknown | 77.3 | Placido Pozzi † | Bishop of Mondovi, Italy |
| unknown | 91.1 | Enrico de Rossi † | Bishop Emeritus of Caserta, Italy |
| unknown | 92.7 | Vincenzo Taglialatela (Tagliatela) † | Archbishop Emeritus of Manfredonia (e Vieste), Italy |
| 3 Jan | 62.7 | Guglielmo Sanfelice D’Acquavella, O.S.B. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 6 Jan | 72.5 | François-Marie Trégaro † | Bishop of Sées, France |
| 7 Jan | 50.2 | Antônio Joaquim de Medeiros † | Bishop of Macau, China |
| 14 Jan | 58.8 | John Carroll † | Bishop of Shrewsbury, England, Great Britain |
| 21 Jan | 65.8 | José Benito Salvador de la Reta, O.F.M. † | Auxiliary Bishop of San Juan de Cuyo, Argentina |
| 22 Jan | 79.2 | Angelo Bianchi † | Cardinal, Cardinal-Bishop of Palestrina, Italy |
| 22 Jan | 53.3 | João Fernando Santiago Esberard (Esberrard) † | Archbishop of São Sebastião do Rio de Janeiro, Brazil |
| 27 Jan | 58.3 | José María Caparrós y López † | Bishop of Sigüenza, Spain |
| 2 Feb | 67.4 | Annibale Barabesi † | Bishop of San Miniato, Italy |
| 22 Feb | 82.3 | Thomas Langdon Grace, O.P. † | Bishop Emeritus of Saint Paul, Minnesota, USA |
| 27 Feb | 80.0 | Francesco Maccarone † | Bishop of Boiano, Italy |
| 27 Feb | | Giuseppe Quandel, O.S.B. † | Abbot of Montecassino, Italy |
| 1 Mar | 81.8 | Pietro Giocondo Salvai di Govone † | Bishop of Alessandria (della Paglia), Italy |
| 7 Mar | 62.7 | Ferdinand Cselka † | Titular Bishop of Carrhae |
| 19 Mar | 59.9 | Crescencio Carrillo y Ancona † | Bishop of Yucatán (Mérida), México |
| 27 Mar | 83.2 | Paolo Angelo Ballerini † | Titular Patriarch of Alexandria {Alessandria} |
| 4 Apr | 52.0 | José María Blanco Barón † | Bishop of Avila, Spain |
| 9 Apr | 59.3 | Nicola Lorusso † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| 4 May | 45.9 | João Gomes Ferreira † | Bishop of Cochin, India |
| 16 May | 49.9 | Camillo Siciliano di Rende † | Cardinal, Archbishop of Benevento, Italy |
| 20 May | 63.7 | Davide Riccardi † | Archbishop of Torino {Turin}, Italy |
| 2 Jun | 65.2 | Peter Caprotti, P.I.M.E. † | Bishop of Hyderabad, India |
| 9 Jun | 53.6 | Francis August Anthony Joseph Janssens † | Archbishop of New Orleans, Louisiana, USA |
| 12 Jun | 65.4 | Alessandro Grossi † | Titular Archbishop of Nicopolis ad Nestum |
| 23 Jun | 55.7 | Wenceslao Oñate, O.P. † | Vicar Apostolic of Central Tonking {Tonkino Centrale}, Viêt Nam |
| 27 Jun | 73.6 | Juan María Ambrosio Huerta † | Bishop of Arequipa, Peru |
| 7 Jul | 54.5 | Gallicano Mergè † | Auxiliary Bishop of Palestrina, Italy |
| 8 Jul | 63.5 | Alois Zorn † | Archbishop of Gorizia e Gradisca, Italy |
| 13 Jul | 73.7 | Grégoire II Youssef † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 16 Jul | 64.5 | Thaddeus J. Butler † | Bishop-Elect of Concordia, Kansas, USA |
| 2 Aug | 68.0 | Pedro José Cayetano de la Llosa, C.O. † | Archbishop of La Plata o Charcas, Bolivia |
| 10 Aug | 47.2 | Jean-Nicolas Lemmens † | Bishop of Vancouver Island, USA |
| 11 Aug | 85.9 | Antolín Monescillo y Viso † | Cardinal, Archbishop of Toledo, Spain |
| 19 Aug | 67.9 | Evangelista Boni, O.F.M. Cap. † | Archbishop of Corfù, Greece |
| 23 Aug | 73.1 | Jean-Baptiste-Théodore Duval † | Bishop of Soissons (-Laon), France |
| 13 Sep | 66.1 | Cirillo Benham Benni † | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 22 Sep | 70.5 | Giuseppe Guarino † | Cardinal, Archbishop of Messina, Italy |
| 26 Sep | 75.0 | Joaquín Larraín Gandarillas † | Auxiliary Bishop of Santiago de Chile |
| 3 Oct | 84.0 | Tommaso Gallucci † | Bishop of Recanati-Loreto, Italy |
| 14 Oct | 64.7 | Enrico (Ernesto) Mazzella † | Archbishop of Bari (-Canosa), Italy |
| 24 Oct | 60.6 | Leandro Arrúe Agudo, O.A.R. † | Bishop of Jaro, Philippines |
| 28 Oct | 61.7 | John Hutchinson, O.S.A. † | Vicar Apostolic of Cooktown, Australia |
| 6 Nov | 72.3 | Jean-Marie Bécel † | Bishop of Vannes, France |
| 12 Nov | 64.6 | Abel-Anastase Germain † | Bishop of Coutances (-Avranches), France |
| 14 Nov | 70.1 | Jacinto María Cervera y Cervera † | Bishop of Mallorca, Spain |
| 23 Nov | 77.7 | José María Gelabert y Crespo † | Bishop of Paraná, Argentina |
| 24 Nov | 68.7 | Antonius von Thoma † | Archbishop of München und Freising {Munich}, Germany |
| 3 Dec | 67.3 | Agustín Lucero Lazcano, O.P. † | Bishop of San Carlos de Ancud, Chile |
| 30 Dec | 64.7 | Prosper Auguste Dusserre † | Archbishop of Alger, Algeria |