| Date | Age | Bishop | Title |
| unknown | 78.6 | Sebastianus Brisciano † | Titular Bishop of Hippos |
| unknown | 65.9 | Marino Carafa di Belvedere † | Priest of the Roman Curia - Other |
| unknown | 63.5 | Eustachio Dentice, C.R. † | Archbishop of Manfredonia (e Vieste), Italy |
| unknown | 87.1 | Andrea de Lucia † | Bishop of Calvi e Teano, Italy |
| 1 Jan | 76.0 | Giuseppe Maria Pietro Grimaldi † | Archbishop of Vercelli, Italy |
| 2 Jan | 79.5 | Fabiano Giuseppe Giacomo Luigi Galliani, O.F.M. Cap. † | Titular Bishop of Pergamum |
| 4 Jan | 83.1 | Tomasz Nowiński, C.R.S. Sepul. † | Auxiliary Bishop of Kraków, Poland |
| 10 Jan | 77.8 | Filippo Ghighi † | Bishop of Sovana (Soana), Italy |
| 10 Jan | 76.2 | Emeric Karol Raffay † | Bishop of Bosna (Djakovo) et Srijem, Croatia |
| 14 Jan | 73.6 | Antonio Leonardis da Lucinico † | Bishop of Trieste e Capodistria (Koper), Italy |
| 24 Jan | 93.5 | Giuseppe Firrao † | Cardinal, Secretary of the Congregation of Bishops and Regulars |
| 9 Feb | 72.6 | Francesco Vincenzo Lombard † | Bishop of Susa, Italy |
| 21 Feb | 81.1 | Anne-Antoine-Jules de Clermont-Tonnerre † | Cardinal, Archbishop of Toulouse (-Narbonne), France |
| 26 Feb | 83.4 | Silvestro Miccù, O.F.M. † | Archbishop of Amalfi, Italy |
| 2 Apr | 85.7 | Giulio Maria della Somaglia † | Cardinal, Archivist of the Vatican Secret Archives |
| 6 Apr | 85.0 | François de Bovet † | Archbishop Emeritus of Toulouse, France |
| 7 Apr | 75.9 | Francesco Bertazzoli † | Cardinal, Prefect of the Congregation for Studies |
| 10 Apr | 68.4 | Charles-André-Toussaint-Bruno de Ramond-Lalande † | Bishop of Rodez, France |
| 22 Apr | 46.3 | Robert Logan † | Bishop of Meath, Ireland |
| 2 May | 78.3 | Antonio Maria Nappi † | Bishop of Ascoli Satriano e Cerignola, Italy |
| 3 May | 59.3 | Carolus von Aulock † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 4 May | 59.4 | João José Vaz Pereira † | Auxiliary Bishop of Braga, Portugal |
| 8 May | 60.2 | Antonio Baldini † | Titular Archbishop of Neocaesarea in Ponto |
| 27 May | 64.4 | Juan Baltasar Toledano † | Bishop of Valladolid, Spain |
| 7 Jun | 65.4 | Thomas Scallan, O.F.M. † | Vicar Apostolic of Newfoundland, Canada |
| 11 Jun | | Marcelino José Da Silva † | Bishop Emeritus of Macau, China |
| 14 Jun | 80.6 | Václav (Wenzel) Léopold von Chlumčansky † | Archbishop of Praha {Prague}, Czech Republic |
| 27 Jun | 45.2 | François-Hyacinthe-Jean Feutrier † | Bishop of Beauvais, France |
| 20 Jul | 73.2 | Remigio Crescini, O.S.B. † | Cardinal, Bishop of Parma, Italy |
| 25 Jul | 80.1 | Manuel Benito y Tabernero † | Bishop of Solsona, Spain |
| 25 Jul | 73.6 | Francesco Cesarei Leoni † | Cardinal, Bishop of Jesi, Italy |
| 31 Jul | 72.7 | Konstantin Stanich † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 10 Aug | 70.9 | Pietro Vidoni (Jr.) † | Cardinal, Priest of Cremona, Italy |
| 11 Aug | 77.2 | William Coppinger † | Bishop of Cloyne, Ireland |
| 9 Sep | 75.1 | Prosper Burzyński, O.F.M. † | Bishop of Sandomierz, Poland |
| 13 Sep | 83.2 | Giovanni Battista Bolognese † | Bishop of Andria, Italy |
| 23 Sep | 81.1 | Isaia Volpe (Volpi), O.F.M. Cap. † | Bishop of Bobbio, Italy |
| 30 Sep | | Juan Nepomuceno Gómez Durán † | Bishop of Málaga, Spain |
| 1 Oct | 69.9 | László Csáky de Keresztszegh † | Bishop of Knin, Croatia |
| 2 Oct | 91.0 | Ioan (Janos) Bob (Babb) † | Bishop of Făgăraş (Romanian), Romania |
| 6 Oct | 78.5 | Etienne-Parfait-Martin Maurel de Mons † | Archbishop of Avignon, France |
| 2 Nov | 75.5 | Stanislao Lucchesi † | Bishop of Foligno, Italy |
| 15 Nov | 71.3 | Charles-Alexandre de Richery † | Archbishop of Aix (-Arles-Embrun), France |
| 25 Nov | 84.0 | Giuseppe Maria Peruzzi † | Bishop of Vicenza, Italy |
| 30 Nov | 69.0 | Francesco Saverio Maria Felice Castiglioni † | Pope (Roma {Rome}, Italy) |
| 6 Dec | 81.0 | Pietro Gravina † | Cardinal, Archbishop of Palermo, Italy |
| 18 Dec | 67.2 | Giovanni Corcione † | Bishop of Bova, Italy |
| 31 Dec | 82.0 | Estefan El-Khazen † | Archbishop of Damas (Maronite), Syria |