| Date | Age | Bishop | Title |
|---|
| unknown | | Euthyme Fadel (Maalouly) † | Bishop of Fourzol (Melkite Greek), Lebanon |
| Jan | 80.0 | Niccolò de Rosa † | Bishop of Pozzuoli, Italy |
| 7 Jan | 66.2 | Antoine Clériade de Choiseul-Beaupré † | Cardinal, Archbishop of Besançon, France |
| 7 Jan | 86.4 | Guillaume d’Hugues de la Motte † | Archbishop of Vienne, France |
| 7 Jan | 71.9 | Józef Andrzej Załuski † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 13 Jan | 66.0 | Michael Triali † | Archbishop of Zadar (Zara), Croatia |
| 19 Jan | 66.5 | Pedro Jacinto Valente, O. do Cristo † | Bishop of Santiago de Cabo Verde |
| 25 Jan | 65.5 | Apollinare Peruzzini, O.E.S.A. † | Bishop of Fossombrone, Italy |
| 3 Feb | 70.7 | Gianbattista Colombini, O.F.M. Conv. † | Archbishop of Benevento, Italy |
| 18 Feb | 62.6 | Karl Michael von Attems (Attembs) † | Archbishop of Gorizia (Görz), Italy |
| 24 Feb | 66.5 | Carlo Parlati, C.P.O. † | Archbishop of Acerenza e Matera, Italy |
| 5 Mar | 62.2 | Franz Josef von Gondola, O.S.B. † | Vicar Apostolic of Nordic Missions, Germany |
| 7 Mar | 90.6 | Carlo Alberto Guidobono Cavalchini † | Cardinal, Datary of the Apostolic Datary |
| 16 Mar | 48.6 | Giannagostino Gradenigo, O.S.B. † | Bishop of Ceneda, Italy |
| 19 Mar | 58.4 | Lucas Ramírez Galán, O.F.M. Obs. † | Bishop of Tuy, Spain |
| 24 Mar | 43.6 | Romedius Marie Leopold von Sarentheim † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 31 Mar | 72.1 | Giuseppe Antonio Passanti † | Bishop of Montemarano, Italy |
| 1 Apr | 65.8 | Giovanni de Vita † | Bishop of Rieti, Italy |
| 6 Apr | 54.2 | Angelo Luigi Gioviio, O.S.B. † | Bishop of Ventimiglia, Italy |
| 11 Apr | 73.8 | Isidoro Cossío y Bustamente Diaz Santos † | Bishop Emeritus of Valladolid, Spain |
| 13 Apr | 70.2 | Agustín Manuel Camacho y Rojas, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 14 Apr | 59.2 | Juan Carlos de Vilches y Cabrera † | Bishop of Nicaragua |
| 15 Apr | 71.5 | Jean Ignace de La Ville † | Titular Bishop of Tricomia |
| 17 Apr | 74.8 | Nicolò Caracciolo, C.R. † | Archbishop Emeritus of Otranto, Italy |
| 17 Apr | 78.5 | Michael Angelus Giacomelli † | Titular Archbishop of Chalcedon |
| May | 67.2 | Domenico Micillo † | Bishop of Boiano, Italy |
| 7 May | 67.3 | Manuel Antonio Palmero y Rallo † | Bishop of Gerona, Spain |
| 10 May | 62.4 | József Károly Zbiško † | Bishop of Knin (Tinin), Croatia |
| 16 May | 60.3 | Nicolaus Radovani † | Archbishop of Durrës (Durazzo), Albania |
| 16 May | 41.3 | Giorgio Stay † | Bishop-Elect of Santorini {Thira}, Greece |
| 17 May | 83.3 | James Butler (1st) † | Archbishop of Cashel (-Emly), Ireland |
| 11 Jun | 66.5 | Emmerich Joseph von Breidbach zu Bürresheim † | Archbishop of Mainz, Germany |
| 25 Jun | 72.7 | Daniel-Bertrand de Langle † | Bishop of Saint-Papoul, France |
| 10 Jul | 91.4 | Louis-François-Gabriel d’Orléans de La Motte † | Bishop of Amiens, France |
| 17 Jul | 63.5 | Miguel Anselmo Álvarez de Abreu y Valdéz † | Bishop of Antequera, Oaxaca, México |
| 23 Jul | 81.3 | Bartolomeo Antonio Passi † | Auxiliary Bishop of Trento, Italy |
| 24 Jul | 76.3 | Aleksander Kazimierz Horain † | Auxiliary Bishop Emeritus of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 24 Jul | 77.5 | Étienne-René Potier de Gesvres † | Cardinal, Bishop Emeritus of Beauvais, France |
| 25 Jul | 81.3 | Pompeo Compagnoni † | Bishop of Osimo e Cingoli, Italy |
| 15 Aug | 64.1 | Serafino Brancone (Branconi), O.S.B. † | Bishop Emeritus of Gallipoli, Italy |
| 28 Aug | 68.4 | Pio Manzador, B. † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 1 Sep | 66.3 | Innocenzo Gorgoni, O.S.B. † | President Emeritus of the Pontifical Ecclesiastical Academy |
| 10 Sep | 49.7 | Léopold-Charles de Choiseul-Stainville † | Archbishop of Cambrai, France |
| 19 Sep | 59.4 | José de Franquís Laso de Castilla † | Bishop of Málaga, Spain |
| 22 Sep | 68.8 | Lorenzo (Giovanni Vincenzo Antonio) Ganganelli, O.F.M. Conv. † | Pope (Roma {Rome}, Italy) |
| 23 Sep | 62.7 | Charles-Jean de Bertin † | Bishop of Vannes, France |
| 13 Oct | 72.1 | Guillaume d’Arché † | Bishop of Bayonne, France |
| 17 Oct | 58.3 | Hermann Hannibal von Blümegen † | Bishop of Hradec Králové, Czechia |
| 31 Oct | 62.9 | Jean-Baptiste-Marie Bron † | Auxiliary Bishop of Lyon, France |
| Nov | 61.7 | Giovanni Antonio Francisco de Nobili, Sch. P. † | Bishop of Larino, Italy |
| 6 Nov | 80.0 | François-Marie de Manzi † | Archbishop of Avignon, France |
| 18 Nov | 83.3 | Leonardo Cecconi † | Bishop Emeritus of Montalto (delle Marche), Italy |
| 18 Nov | 79.1 | Giovanni Francesco Stoppani † | Cardinal, Cardinal-Bishop of Palestrina |
| 2 Dec | 48.9 | Antonius von Herberstein, C.R. † | Bishop of Trieste, Italy |
| 14 Dec | 78.6 | Diego Bernardo de Peredo y Navarrete † | Bishop of Yucatán (Mérida), México |
| 14 Dec | 68.9 | Juan Manuel Garcia de Vargas y Ribera, O. de M. † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 18 Dec | 76.9 | Manuel Quintano Bonifaz † | Apostolic Administrator of Toledo, Spain |
| 26 Dec | 58.9 | Giovanni Battista Orsi † | Bishop of Fano, Italy |
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