| Date | Age | Bishop | Title |
|---|
| unknown | 81.2 | Carlo Nicola Maria Fabi, O.S.A. † | Bishop of Bobbio, Italy |
| unknown | 75.7 | José González Laso Santos de San Pedro † | Bishop of Plasencia, Spain |
| unknown | | Vincenzo Maria Mossi † | Bishop of Alessandria (della Paglia), Italy |
| unknown | 78.8 | Silvestro Pepe † | Archbishop of Sorrento, Italy |
| unknown | 67.7 | Giuseppe Ottavio Pochettini † | Bishop of Ivrea, Italy |
| unknown | 66.6 | Giuseppe Maria Terzi † | Bishop of Monte Feltre, Italy |
| unknown | 78.4 | Diodato Turchi, O.F.M. Cap. † | Bishop of Parma, Italy |
| unknown | | Lorenzo M. Varano † | Bishop of Bisignano, Italy |
| 29 Jan | 78.6 | Andrea Antonio Silverio Minucci † | Archbishop of Fermo, Italy |
| 1 Feb | 88.4 | Claude-Mathias-Joseph de Barral † | Bishop Emeritus of Troyes, France |
| 5 Feb | 72.2 | Domenico Pignatelli di Belmonte, C.R. † | Cardinal, Archbishop of Palermo, Italy |
| 10 Feb | 68.5 | Francesco Falchi Picchinesi † | Bishop of Pistoia-Prato, Italy |
| 16 Feb | 68.4 | Louis-René-Edouard de Rohan-Guéménée † | Cardinal, Bishop Emeritus of Strasbourg, France |
| 18 Feb | | Thomas O’Connor † | Bishop of Achonry, Ireland |
| 4 Mar | 68.6 | Sebastiano Alcaini, C.R.S. † | Bishop of Belluno, Italy |
| 14 Mar | 76.2 | Michel-François de Couët du Vivier de Lorry † | Bishop Emeritus of La Rochelle, France |
| 16 Mar | 60.5 | Giuseppe Bolognese † | Bishop Emeritus of Marsi, Italy |
| 4 Apr | 60.2 | Joseph Konrad Freiherr von Schroffenberg, C.R.S.A. † | Bishop of Freising, Germany |
| 14 Apr | 88.5 | Christoph Bartholomäus Anton Migazzi Von Waal Und Sonnenthurn † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 21 Apr | 72.6 | Juan Antonio Pérez Hernández de Larrea † | Bishop of Valladolid, Spain |
| 5 May | 84.9 | Francisco Armañá Font, O.S.A. † | Archbishop of Tarragona, Spain |
| 24 May | 76.4 | Manuel Nicolás Rojas de Argandoña † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 25 May | 56.4 | José Antonio de la Huerta Caso † | Bishop of León en Nicaragua |
| 15 Jun | 76.9 | Francesco del Tufo, C.R. † | Bishop of Aversa, Italy |
| 29 Jul | 51.0 | Jean-Baptiste d'Odet † | Bishop of Lausanne, Switzerland |
| 11 Aug | 71.0 | Johann Karl Reichsgraf von Hohenzollern-Hechingen † | Bishop of Warmia, Poland |
| 12 Aug | 71.9 | Ignazio Busca † | Cardinal, Chamberlain (Camerlengo) of the College of Cardinals |
| Sep | 64.4 | Francisco Casto Royo † | Titular Archbishop of Amida |
| Sep | 74.8 | Cayetano Velozo, O.F.M. † | Bishop of São Tomé e Príncipe |
| 6 Sep | 58.8 | Miguel Carlos José de Noronha e Abranches † | Cardinal, Priest of Lisboa, Portugal |
| 15 Sep | 83.6 | Giovanni Francesco Albani † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 19 Sep | 58.1 | Ignatius Cajetanus von Buset zu Faistenberg † | Bishop of Trieste, Italy |
| 26 Sep | 71.7 | Raimundo Melchor Magi Gómez, O. de M. † | Bishop of Guadix, Spain |
| Nov | 65.9 | Francesco Vincenti † | Bishop of Pescia, Italy |
| 5 Nov | 59.1 | Michal Franciszek Karpowicz, C.M. † | Bishop of Wigry, Poland |
| 17 Dec | 58.1 | Pietro Antonio Zorzi, C.R.S. † | Cardinal, Archbishop of Udine, Italy |
| 31 Dec | 54.2 | Agustín Pedro Blaquier, O.S.A. † | Bishop of Nueva Segovia, Philippines |
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