| Date | Age | Bishop | Title |
| unknown | 53.0 | Henri de Chambre d’Urgons † | Auxiliary Bishop of Metz, France |
| unknown | 76.8 | Jean-Joseph-Marie de Guernes † | Bishop Emeritus of Aleria, France |
| unknown | 72.6 | José López Gil, O. Carm. † | Bishop of Jaca, Spain |
| unknown | 74.2 | Francisco Matienzo † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 18 Jan | 56.6 | Felix Antonius d’Alessandria † | Bishop of Cariati e Cerenzia, Italy |
| Feb | 79.3 | Josephus Cosserich Teodosio † | Bishop of Korčula (Curzola, Cursola), Croatia |
| Feb | 64.2 | Ignacio de Salamanca † | Bishop of Cebu, Philippines |
| 4 Feb | 68.4 | Josephus Fengler † | Bishop of Győr (Raab), Hungary |
| 6 Feb | 59.2 | Andreas Joseph Fahrmann † | Auxiliary Bishop of Würzburg, Germany |
| 10 Feb | 70.1 | Emmanuel-François de Bausset-Roquefort † | Bishop Emeritus of Fréjus, France |
| 15 Feb | 73.4 | Giuseppe Martini † | Bishop of Bova, Italy |
| 24 Feb | 82.1 | Josephus Bajzath † | Bishop of Veszprém, Hungary |
| 18 Mar | 79.4 | Giovanni Lercari † | Archbishop of Genova, Italy |
| 2 Apr | 58.3 | Luigi Maria di Gesu Pianazzi, O.C.D. † | Vicar Apostolic of Malabar, India |
| 4 Apr | 55.3 | Henri-Charles du Lau d’Allemans † | Bishop of Grenoble, France |
| 10 Apr | 65.4 | Gregorio Bandi † | Titular Archbishop of Edessa in Osrhoëne |
| 11 Apr | 81.2 | Gabriel Álvarez de Faria y Sánchez Zarzosa † | Bishop of Badajoz, Spain |
| 13 Apr | 74.6 | Francesco Mantica † | Cardinal, Cardinal-Priest of Santa Prisca |
| 20 Apr | 51.4 | Emidio Ziucci † | Titular Archbishop of Damascus |
| 13 May | 72.3 | Jan Stefan Giedroyc † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 20 May | 70.2 | Jean-Antoine de Castellane Saint-Mauris † | Bishop Emeritus of Lavaur, France |
| 23 May | 53.5 | Gregory Stapleton † | Vicar Apostolic of Midland District, England, Great Britain |
| 24 May | 74.6 | Jean-Marc de Royére † | Bishop Emeritus of Castres, France |
| 3 Jun | 69.4 | Joseph Adam Arco † | Bishop of Seckau, Austria |
| 15 Jun | 68.5 | Giovanni Vincenzo Monforte † | Archbishop of Napoli {Naples}, Italy |
| 26 Jun | 71.9 | Pietro Stefano Speranza † | Bishop of Alatri, Italy |
| 26 Jun | 76.5 | Kasper Józef Szajowski † | Auxiliary Bishop of Gniezno, Poland |
| Jul | 53.9 | Michal Roman Sierakowski † | Auxiliary Bishop of Przemyśl, Poland |
| 1 Jul | 79.7 | Carlo Livizzani Forni † | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| 8 Jul | 75.0 | Nicola Notaris † | Bishop of Squillace, Italy |
| 12 Jul | 80.8 | Antônio Corrêa, O.S.A. † | Archbishop of São Salvador da Bahia, Brazil |
| 25 Jul | 83.6 | Friedrich Karl Joseph von Erthal † | Archbishop Emeritus of Mainz, Germany |
| 2 Aug | 75.5 | Salvador Bienpica y Sotomayor † | Bishop of Tlaxcala, México |
| 7 Aug | 54.1 | Paolo Maggiolo † | Bishop of Albenga, Italy |
| 10 Aug | 62.5 | Damían Martínez de Galinzoga, O.F.M. † | Bishop of Tarazona, Spain |
| 12 Aug | 84.1 | Hyacinthe-Sigismond Gerdil, B. † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 7 Sep | 47.2 | Buenaventura Moyano Rodríguez † | Bishop of Palencia, Spain |
| 8 Sep | 81.0 | Gabriel-François Moreau † | Bishop of Autun, France |
| 19 Sep | 59.7 | Ivan Dominik Juras † | Bishop of Pula (Pola), Croatia |
| 20 Sep | 97.8 | Lodovico Agostino Bertozzi † | Bishop of Cagli, Italy |
| 22 Sep | 78.5 | Marc-Antoine de Noé † | Bishop of Troyes, France |
| 29 Sep | 58.4 | Michelangelo Luchi, O.S.B. † | Cardinal, Priest of the Roman Curia - Other |
| 6 Oct | 74.6 | Simone de Magistris, C.O. † | Titular Bishop of Cyrene |
| 15 Oct | 73.7 | Gregorio Alessandri † | Bishop of Cortona, Italy |
| 30 Oct | 67.9 | Valentin Anton von Schneid † | Auxiliary Bishop of Regensburg, Germany |
| 1 Nov | 66.1 | Juan Bautista de Zengotita y Bengoa, O. de M. † | Bishop of Puerto Rico (Porto Rico) |
| 7 Dec | 78.5 | Carlo Giuseppe Filippa della Martiniana † | Cardinal, Bishop of Vercelli, Italy |
| 9 Dec | 62.5 | Antonio Palafox y Croy de Abre † | Bishop of Cuenca, Spain |
| 12 Dec | 82.0 | Henri-Joseph-Claude de Bourdeilles † | Bishop Emeritus of Soissons, France |
| 18 Dec | 70.4 | Nikolaus Kondé de Póka-Telek † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 22 Dec | 56.4 | Joannes Bapt. Marchese † | Bishop of Catanzaro, Italy |