| Date | Age | Bishop | Title |
| unknown | 63.0 | Michel Cattoula (Kattula) † | Archbishop of Seert (Chaldean), Turkey |
| unknown | 82.9 | Antonio de Franci † | Auxiliary Bishop Emeritus of Ostia (-Velletri), Italy |
| unknown | 91.8 | Pietro Gravina Luzzena † | Auxiliary Bishop of Catania, Italy |
| unknown | | Nicholas Zeia (Zaya) † | Patriarch Emeritus of Babylon {Babilonia} (Chaldean), Iraq |
| 9 Jan | 65.6 | Lorenzo Simonetti † | Cardinal, Cardinal-Priest of San Lorenzo in Panisperna |
| 11 Jan | 76.0 | Judas José Romo y Gamboa † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 21 Jan | 78.7 | Giuseppe Pecci † | Cardinal, Bishop of Gubbio, Italy |
| 22 Jan | 65.3 | Francesco Capezzuti † | Bishop of Ariano, Italy |
| 27 Jan | 56.5 | Raffaele Bocci † | Bishop of Alatri, Italy |
| 28 Jan | 71.3 | Francisco Javier García Casarrubios y Melgar, O. Cist. † | Bishop of Tuy, Spain |
| 1 Feb | 61.8 | Jean-Marie Graveran † | Bishop of Quimper [Cornouailles](-Léon), France |
| 1 Feb | 68.2 | Giovanni Serafini † | Cardinal, Priest of the Roman Curia - Other |
| 3 Feb | 75.2 | Mariano Martínez Robledo y Robledo † | Bishop of Guadix, Spain |
| 9 Feb | 74.1 | Francisco Javier Luna-Pizarro y Pacheco de Chávez † | Archbishop of Lima, Peru |
| 15 Feb | 77.4 | Giuseppe Mancini † | Archbishop of Siena, Italy |
| 25 Feb | 86.4 | Pietro di Benedetto † | Archbishop of Reggio Calabria, Italy |
| 28 Feb | 75.2 | Gregorio Paolo Zelli, O.S.B. † | Bishop of Ascoli Piceno, Italy |
| 1 Mar | 58.6 | Julien-Marie-François-Xavier Hillereau † | Vicar Apostolic of Constantinople, Turkey |
| 6 Mar | 56.5 | Ignatius Aloysius Reynolds † | Bishop of Charleston, South Carolina, USA |
| 17 Mar | 74.1 | Tommaso Bellacosa † | Bishop Emeritus of Cava e Sarno, Italy |
| 24 Mar | 44.1 | Mario De Luca † | Bishop of Gravina e Irsina (Montepeloso), Italy |
| 2 Apr | 67.4 | Jean-François Croizier † | Bishop of Rodez, France |
| 8 Apr | 79.7 | Karl Anton Joseph Lüpke † | Auxiliary Bishop of Osnabrück, Germany |
| 10 Apr | 71.8 | Giuseppe Maria Maniscalco, O.F.M. Obs. † | Bishop of Caltagirone, Italy |
| 13 Apr | 85.9 | Carlo Oppizzoni (Opizoni) † | Cardinal, Archbishop Emeritus of Bologna, Italy |
| 30 Apr | 51.4 | Francis Joseph Nicholson, O.C.D. † | Archbishop of Corfù, Greece |
| 6 May | 72.7 | Aristaces Azarian, C.M.Vd. † | Abbot General of Congregazione Mechitarista di Vienna |
| 11 May | 71.3 | Nicholas Foran † | Bishop of Waterford and Lismore, Ireland |
| 29 May | 70.0 | Ioannes Berčić † | Bishop of Šibenik (Knin), Croatia |
| 29 May | 47.5 | Francesco Brigante Colonna † | Bishop of Recanati e Loreto, Italy |
| 9 Jun | 69.9 | Lambert-François-Joseph de Hauregard † | Priest of Namur {Namen}, Belgium |
| 20 Jun | 68.6 | Raffaele Blundo † | Archbishop of Taranto, Italy |
| 29 Jun | 78.4 | Laurence O’Donnell † | Bishop of Galway, Ireland |
| 1 Jul | 65.8 | József Krautmann † | Auxiliary Bishop of Esztergom, Hungary |
| 2 Jul | 72.1 | Johann Peter von Richarz † | Bishop of Augsburg, Germany |
| 14 Jul | 43.5 | Michael Monaghan † | Bishop of Roseau, Dominica, Antilles |
| 17 Jul | 85.4 | Claude-Louis de Lesquen † | Bishop Emeritus of Rennes, France |
| 2 Aug | 50.5 | Salvatore Valentini † | Bishop of Amelia, Italy |
| 7 Aug | 69.4 | Gaspare Petocchi (Pettochi) † | Bishop of Nepi e Sutri, Italy |
| 11 Aug | 56.8 | Toma Jedrlinić † | Bishop of Dubrovnik (Ragusa), Croatia |
| 11 Aug | 75.7 | Maximos III Michel Mazloum † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 13 Aug | 55.9 | Jean-François-Marie Cart † | Bishop of Nîmes, France |
| 17 Aug | 54.8 | Dominique Galvano † | Bishop of Nice, France |
| 19 Aug | 68.6 | Francis Haly † | Bishop of Kildare and Leighlin, Ireland |
| Sep | 76.7 | Giovanni Maria Bisignani † | Titular Bishop of Aegae |
| 7 Sep | 81.3 | Diego Capece † | Bishop of Ampurias e Tempio, Italy |
| 15 Sep | | Grégoire Issa Mahfouz † | Archbishop of Mossul (Syrian), Iraq |
| 23 Sep | 80.8 | Michele Virgili † | Bishop of Comacchio, Italy |
| 27 Sep | | Benito Fernández, O.F.M. † | Vicar Apostolic of Giamaica o Jamaica, Antilles |
| 28 Sep | | Théodore Abou-Karim † | Vicar Apostolic of Alexandria {Alessandria} (Coptic), Egypt |
| 3 Oct | 77.6 | Gennaro Pasca † | Bishop Emeritus of Nola, Italy |
| 7 Oct | 48.0 | Ignacy Hołowiński † | Archbishop of Mohilev, Belarus |
| 15 Oct | 92.7 | Jaime Fort y Puig † | Bishop of Barbastro, Spain |
| 2 Nov | 55.8 | Patrick Joseph Carew † | Vicar Apostolic of Western Bengal, India |
| 2 Nov | 50.8 | Francesco Xavier Maresca, O.F.M. † | Coadjutor Bishop of Nanking [Nanjing], China |
| 5 Nov | 68.0 | Johann Franz Drepper † | Bishop of Paderborn, Germany |
| 10 Nov | 57.6 | Vincenzo Rozzolino † | Bishop of Caserta, Italy |
| 13 Nov | 66.5 | Carlo Romanò † | Bishop of Como, Italy |
| 13 Nov | 60.6 | James Oliver Van de Velde, S.J. † | Bishop of Natchez, Mississippi, USA |
| 4 Dec | 71.0 | Fermín Sánchez Artesoro, O.F.M. Cap. † | Bishop of Cuenca, Spain |
| 15 Dec | 71.1 | Mikołaj Górski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 16 Dec | 75.0 | Francesco Strani † | Bishop of Massa Carrara, Italy |
| 25 Dec | 62.8 | Giovanni Dominico Faustino Ceretti, O.M.V. † | Vicar Apostolic Emeritus of Ava e Pegù, Myanmar |
| 29 Dec | 66.2 | Louis-François Robin † | Bishop of Bayeux (-Lisieux), France |
| 31 Dec | 85.5 | Pedro Paulo de Figuereido da Cunha e Melo † | Cardinal, Archbishop of Braga, Portugal |