| Date | Age | Bishop | Title |
|---|
| unknown | 62.0 | Giovan Donato Giannoni Alitto † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| unknown | 44.0 | Amand Wiktoryn Czeszejko, O.P. † | Bishop of Bacău, Romania |
| unknown | 44.5 | Filippo de Cordova (de’ duchi di Suessa) † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | 67.0 | Juan de los Ríos y Berriz † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | 90.0 | Gregory Fallon † | Bishop of Clonmacnoise, Ireland |
| unknown | 65.9 | Sebastian Glavinich † | Bishop of Senj (-Modruš), Croatia |
| unknown | 63.0 | Francisco Rodríguez Pizaño, O.S. † | Titular Bishop of Raulia |
| unknown | | Ignatius Rosa † | Bishop of Andros, Greece |
| unknown | 56.0 | Carolus de Tilly † | Bishop of Monopoli, Italy |
| 4 Jan | 53.0 | Francesco di Sobrecasas, O.P. † | Archbishop of Cagliari, Italy |
| 8 Jan | 53.1 | Claude Le Tonnelier de Breteuil † | Bishop of Boulogne (-Sur-Mer), France |
| 15 Jan | 82.0 | Girolamo Borghese, O.S.B. † | Bishop of Pienza, Italy |
| 17 Jan | 70.0 | Giovanni Battista Pallotta † | Bishop of Foligno, Italy |
| 20 Jan | 81.0 | Giannicolò Conti † | Cardinal, Bishop of Ancona e Numana, Italy |
| 26 Jan | 64.0 | François-Ignace de Baglion du Saillant, C.O. † | Bishop of Poitiers, France |
| 29 Jan | | Ernst August von Braunschweig-Lüneburg † | Bishop of Osnabrück, Germany |
| 3 Apr | 53.2 | Johann Franz Christoph von Talmberg † | Bishop of Hradec Králové, Czechia |
| 12 Apr | 69.2 | Giovanni Vincenzo Lucchesini, O.S.M. † | Bishop of Assisi, Italy |
| 1 May | 83.0 | Antoine-Pierre de Grammont, O.S.B. † | Archbishop of Besançon, France |
| 1 May | | Pierre François Odet, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
| 4 May | 60.3 | Jan Stanisław Witwicki † | Bishop of Poznań, Poland |
| 19 May | 73.3 | Konstanty Samuel Lipski † | Archbishop of Lviv, Ukraine |
| 31 May | | Miguel Quijada, O. Cist. † | Bishop of Mondoñedo, Spain |
| Jun | 68.4 | Dionisio Petra, O.S.B. † | Bishop of Capri, Italy |
| 5 Jun | 70.2 | Domenico Minio † | Bishop of Caorle, Italy |
| 10 Jun | 56.7 | Vincenzo Maria de Rossi, O.F.M. Conv. † | Bishop of Penne e Atri, Italy |
| 29 Jun | 75.0 | Paluzzo Paluzzi Altieri Degli Albertoni † | Cardinal, Archbishop Emeritus of Ravenna, Italy |
| 7 Jul | 74.8 | Giacinto Trucchi, O.P. † | Bishop of Ivrea, Italy |
| 11 Jul | 72.5 | Antonio Molinari † | Bishop of Lettere (-Gragnano), Italy |
| 29 Jul | 62.4 | Bartolomeo Gradenigo † | Bishop of Brescia, Italy |
| Aug | 74.3 | Carlo Cuzzolini † | Bishop of Pozzuoli, Italy |
| 14 Aug | 56.6 | Francisco de Aguiar y Seijas y Ulloa † | Archbishop of México, Federal District |
| 19 Aug | 66.6 | Mathurin Savary † | Bishop of Sées {Séez}, France |
| 29 Aug | 65.6 | José Sanz de Villaragut, O.F.M. † | Bishop of Cefalù, Italy |
| 31 Aug | 59.8 | Miguel Jerónimo de Molina y Aragonés, O.S.Io.Hieros. † | Bishop Emeritus of Lérida, Spain |
| 25 Sep | 66.7 | Alfonso de Santa Cruz † | Auxiliary Bishop of Toledo, Spain |
| Oct | 38.7 | Michele Maria Dentice † | Bishop of Mottola (Motula), Italy |
| Oct | 63.5 | Giovanni Francesco de Lorenzi † | Bishop of Venosa, Italy |
| 27 Oct | 65.1 | Johann Philipp Burkhard † | Auxiliary Bishop of Speyer, Germany |
| Nov | 51.6 | Joseph Simeon Cavagnini † | Bishop of Trogir (Traù), Croatia |
| Nov | 79.8 | Carlo de Ferrari † | Bishop of Bitonto, Italy |
| 13 Nov | 61.8 | Ginés (Ginesio) Barrientos, O.P. † | Auxiliary Bishop of Manila, Philippines |
| 14 Nov | 65.8 | Giovanni Antonio de Camillis † | Bishop of Milos (Melos), Greece |
| 20 Nov | 71.4 | Giovanni Battista De Pace, C.O. † | Bishop of Capaccio, Italy |
| 24 Nov | 50.8 | Antonio de Arriaga y Agüero, O.S.A. † | Bishop of Yucatán (Mérida), México |
| 25 Nov | | Nicolás Delgado, O.F.M. † | Bishop of Nicaragua |
| 8 Dec | 66.9 | Toribio de Mier † | Bishop of Pamplona, Spain |
| 9 Dec | 68.9 | José González Blázquez, O. de M. † | Bishop of Plasencia, Spain |
| 14 Dec | 53.1 | Johann Gottfried von Guttenberg † | Bishop of Würzburg, Germany |
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