| Date | Age | Bishop | Title |
|---|
| unknown | 78.5 | Sebastiano Brisciano † | Titular Bishop of Hippos |
| unknown | 63.4 | Eustachio Dentice, C.R. † | Archbishop of Manfredonia (e Vieste), Italy |
| 1 Jan | 75.9 | 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 | 83.0 | Tomasz Nowiński, C.R.S. Sepul. † | Auxiliary Bishop of Kraków, Poland |
| 10 Jan | 77.8 | Filippo Ghighi † | Bishop of Sovana (Soana), Italy |
| 10 Jan | 76.1 | Emeric Karol Raffay † | Bishop of Bosna (Djakovo) et Srijem, Croatia |
| 14 Jan | 73.6 | Antonio Leonardis da Lucinico † | Bishop of Trieste e Capodistria (Trst i Koper), Italy |
| 24 Jan | 93.5 | Giuseppe Firrao † | Cardinal, Secretary of the Congregation of Bishops and Regulars |
| 28 Jan | 83.3 | Silvestro (Jean Baptiste) Miccù, O.F.M. Obs. † | Archbishop of Amalfi, Italy |
| 2 Feb | 68.2 | Carlo Mauri † | Substitute (Sostituto) of the Secretariat of State |
| 9 Feb | 72.5 | Francesco Vincenzo Lombard † | Bishop of Susa, Italy |
| 18 Feb | 81.2 | Giovanni Pietro Martino Pellegrini † | Auxiliary Bishop of Udine, Italy |
| 21 Feb | 81.1 | Anne-Antoine-Jules de Clermont-Tonnerre † | Cardinal, Archbishop of Toulouse (-Narbonne), France |
| 15 Mar | 87.2 | Andrea de Lucia † | Bishop of Calvi e Teano, Italy |
| 20 Mar | 86.3 | [Pierre-Joseph Porion] † | Bishop Emeritus of [Pas-de-Calais (Constitutional), France] |
| 2 Apr | 85.6 | Giulio Maria della Somaglia † | Cardinal, Librarian of the Vatican Library |
| 5 Apr | 66.1 | Marino Carafa di Belvedere † | |
| 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 | 78.2 | Antonio Maria Nappi † | Bishop of Ascoli Satriano e Cerignola, Italy |
| 3 May | 58.5 | Karl Joseph von Aulock † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 4 May | 59.3 | João José Vaz Pereira † | Auxiliary Bishop of Braga, Portugal |
| 8 May | 60.1 | Antonio Baldini † | Titular Archbishop of Neocaesarea in Ponto |
| 27 May | 64.3 | Juan Baltasar Toledano † | Bishop of Valladolid, Spain |
| 7 Jun | 65.4 | Thomas Scallan, O.F.M. Ref. † | Vicar Apostolic of Newfoundland, Canada |
| 11 Jun | 81.3 | Marcelino José Da Silva † | Bishop Emeritus of Macau, China |
| 14 Jun | 80.5 | Václav (Wenzel) Léopold von Chlumčansky † | Archbishop of Praha {Prague}, Czechia |
| 27 Jun | 45.2 | François-Hyacinthe-Jean Feutrier † | Bishop of Beauvais, France |
| Jul | 79.1 | Domenico Ventapane † | Titular Bishop of Tium |
| 20 Jul | 73.2 | Remigio Crescini, O.S.B. † | Cardinal, Bishop of Parma, Italy |
| 25 Jul | 80.0 | Manuel Benito y Tabernero † | Bishop of Solsona, Spain |
| 25 Jul | 73.5 | Francesco Cesarei Leoni † | Cardinal, Bishop of Jesi, Italy |
| 31 Jul | 72.7 | Konstantin Stanić † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 10 Aug | 70.9 | Pietro Vidoni (Jr.) † | Cardinal, Priest of Cremona, Italy |
| 9 Sep | 75.1 | Ladislas Adam Prosper Burzyński, O.F.M. Ref. † | Bishop of Sandomierz, Poland |
| 13 Sep | 83.1 | Giovanni Battista Bolognese † | Bishop of Andria, Italy |
| 23 Sep | 81.1 | Isaia Volpe (Volpi), O.F.M. Cap. † | Bishop of Bobbio, Italy |
| 30 Sep | 63.5 | Juan Nepomuceno Gómez Durán † | Bishop of Málaga, Spain |
| 1 Oct | 69.8 | László Csáky de Keresztszegh † | Bishop of Knin (Tinin), Croatia |
| 2 Oct | 90.9 | Ioan (Janos) Bob (Babb) † | Bishop of Făgăraş (Romanian), Romania |
| 6 Oct | 78.4 | Etienne-Parfait-Martin Maurel de Mons † | Archbishop of Avignon, France |
| 27 Oct | 71.7 | Antonio Ceruelo Sanz † | Bishop of Menorca, Spain |
| 2 Nov | 75.5 | Stanislao Lucchesi † | Bishop of Foligno, Italy |
| 15 Nov | 71.2 | 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 | 80.9 | Pietro Gravina † | Cardinal, Archbishop of Palermo, Italy |
| 18 Dec | 67.2 | Giovanni Corcione † | Bishop of Bova, Italy |
| 31 Dec | 81.9 | Estefan El-Khazen † | Archbishop of Damas (Maronite), Syria |
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