| Date | Age | Bishop | Title |
|---|
| unknown | 60.0 | Bonaventure (Daniel) O’Gallagher, O.F.M. † | Bishop of Raphoe, Ireland |
| 6 Jan | 74.9 | Tommaso Alessio de’ Rossi † | Bishop of Teramo, Italy |
| 5 Feb | 64.0 | José Francisco Magdaleno † | Bishop of Coria, Spain |
| 9 Feb | 65.2 | Anselm Franz von Ingelheim † | Bishop of Würzburg, Germany |
| 12 Feb | | Michael O’Gara † | Archbishop of Tuam, Ireland |
| 24 Feb | 72.8 | Joseph Heinrich von Braitenbücher † | Auxiliary Bishop of Wien {Vienna}, Austria |
| 30 Mar | 47.2 | Manuel Jiménez Bretón † | Bishop-Elect of Caracas, Santiago de Venezuela |
| 2 Apr | 59.6 | Pio Tommaso Milante, O.P. † | Bishop of Castellammare di Stabia, Italy |
| 8 Apr | 61.4 | Tommaso Aceti (Aoeti) † | Bishop of Lacedonia, Italy |
| 21 Apr | 73.8 | Otto Honorius von Egkh und Hungersbach † | Auxiliary Bishop of Olomouc (Olmütz), Czechia |
| 25 Jun | 64.7 | Giovanni Battista Campagnoli † | Bishop of Recanati e Loreto, Italy |
| 5 Jul | 78.7 | Petrus Bakich de Lach † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| 5 Jul | 67.2 | Jorge Curado Torreblanca † | Bishop Emeritus of Urgell, Spain |
| 7 Jul | 60.0 | Marko Lučić † | Archbishop of Bar (Antivari), Montenegro |
| 18 Jul | 62.7 | Tommaso Ignatius Antonio Sersale, C.R. † | Bishop of Potenza, Italy |
| 19 Jul | 75.0 | Armand-Gaston-Maximilien de Rohan de Soubise † | Cardinal, Bishop of Strasbourg, France |
| 23 Jul | 75.1 | Antonio Maria Pallavicini † | Titular Patriarch of Antiochia {Antioch} |
| 27 Jul | 66.4 | Francisco Antonio Bustamante Jiménez † | Bishop of Plasencia, Spain |
| 13 Aug | 60.8 | Filippo Maria di San Agostino (Camillo Apollonio) Malachisi, O.C.D. † | Bishop of Ispahan, Iran |
| 20 Aug | | James Augustine O’Daly, O.S.A. † | Bishop of Kilfenora, Ireland |
| 20 Aug | 73.6 | Raniero Felice Simonetti † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 21 Aug | 50.1 | Giovanni Battista Machín Spiga † | Bishop of Bosa, Italy |
| 12 Sep | 73.2 | Ottavio Gasparini † | Bishop of Città di Castello, Italy |
| 21 Sep | 71.4 | Giovanni Bernardino Vendemini † | Bishop of Sarsina, Italy |
| 22 Sep | 61.7 | Fortunato Bisleti † | Titular Bishop of Cisamus |
| 1 Oct | 70.4 | Abraham Petros I Ardzivian † | Patriarch of Cilicia (Armenian), Lebanon |
| 9 Oct | 86.5 | José García Fernández, O.F.M. † | Bishop of Sigüenza, Spain |
| 19 Oct | 49.6 | Angelo Longo, O.S.B. † | Bishop of Teano, Italy |
| Nov | 75.8 | Giovanni Battista Costantino † | Bishop of Castro di Puglia, Italy |
| 3 Nov | 78.3 | Gioacchino Maria Oldi, O. Carm. † | Bishop of Terracina, Priverno e Sezze, Italy |
| 11 Nov | 59.4 | Matías Escalzo Acedo † | Bishop of Astorga, Spain |
| 15 Nov | 57.7 | Francisco Castillo Vintimilla † | Bishop of Jaén, Spain |
| Dec | 62.9 | Francisco de Molina, O.S.Bas. † | Bishop of Comayagua, Honduras |
| 7 Dec | 71.9 | Johann Jakob von Mayer † | Auxiliary Bishop of Augsburg, Germany |
| 8 Dec | 70.7 | Maciej Aleksander Sołtyk † | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 13 Dec | 59.6 | Giovanni Barba † | Bishop of Bitonto, Italy |
| 21 Dec | 49.0 | Domenico Bozzoni † | Bishop of Gerace, Italy |
| 27 Dec | 57.9 | Girolamo Curlo, C.R.M. † | Bishop of Aleria, France |
| 29 Dec | 79.9 | Diogo Marques Morato † | Bishop of Miranda (do Douro), Portugal |
| 29 Dec | 61.9 | Gaspar José Vázquez Tablada † | Bishop of Oviedo, Spain |
| 31 Dec | 74.3 | Francesco (Dalmazio Octavio) Vasco, O.C.D. † | Bishop of Alba (Pompea), Italy |
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