| Date | Age | Bishop | Title |
|---|
| unknown | 71.4 | Mariano Amato † | Bishop of Crotone (Cotrone), Italy |
| unknown | 65.4 | Gaspare Lancellotto Birago † | Bishop of Bobbio, Italy |
| unknown | 60.8 | Sebastiano Bonaiuti † | Bishop of Monte Feltre, Italy |
| unknown | | Tommaso Galli † | Bishop of Tivoli, Italy |
| unknown | | Pier Maria Giustiniani, O.S.B. † | Bishop of Ventimiglia, Italy |
| unknown | | Giuseppi Maria Massoni † | Bishop of Sagone, France |
| unknown | | Júlio Francisco de Oliveira † | Bishop of Viseu, Portugal |
| unknown | | Marcello Capano Orsini † | Archbishop of Conza, Italy |
| unknown | 77.2 | Luca Niccolò Recco † | Bishop of Ripatransone, Italy |
| 9 Jan | 72.1 | Filippo Niccolò Cecina † | Coadjutor Bishop of Volterra, Italy |
| 18 Jan | 61.3 | Juan Francisco Manrique Lara † | Bishop of Plasencia, Spain |
| 2 Mar | 71.8 | Christian Albert Anton von Merle † | Auxiliary Bishop of Worms, Germany |
| 23 Mar | 80.8 | Juan Francisco Navarro Salvador y Gilabert † | Bishop of Albarracin, Spain |
| 5 Apr | 62.3 | Cornelio Caprara † | Cardinal, Cardinal-Deacon of Ss. Cosma e Damiano |
| 20 Apr | 58.3 | Prospero Colonna di Sciarra † | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| 1 May | 68.2 | Bonifatius (Giovanni Giuseppe) Cecotti, O.F.M. † | Bishop of Pedena, Austria |
| 12 May | 70.0 | Biagio Chiarelli † | Bishop of Ravello-Scala, Italy |
| 24 Jun | 80.5 | Francisco José de Figueredo y Victoria † | Archbishop of Guatemala |
| 1 Jul | 70.1 | Giuseppe Gallarati † | Bishop of Lodi, Italy |
| 3 Jul | 62.0 | Manuel José Rubio y Salinas † | Archbishop of México, Federal District |
| 23 Aug | 53.6 | Pierre-Joseph de Brunes de Monlouet † | Bishop of Saint-Omer, France |
| 10 Sep | 82.1 | Pierfrancesco Bussi † | Cardinal, Cardinal-Priest of S. Maria in Via |
| 1 Oct | | Angelo Antonio Pallante † | Bishop of San Severo, Italy |
| 21 Oct | | Pietro Cristiani † | Bishop of Piacenza, Italy |
| 2 Nov | 61.7 | Bartolomeo Gradenigo † | Archbishop of Udine, Italy |
| 5 Nov | 64.2 | Jean-Antoine Buocher, O.F.M. † | Vicar Apostolic Emeritus of Shansi {Scian-Si} (Chan-Si), China |
| 11 Nov | | João de Azevedo † | Bishop of Portalegre, Portugal |
| 12 Nov | 65.9 | Manuel Sosa Betencourt † | Bishop of Santafé en Nueva Granada, Colombia |
| 9 Dec | | Antonio Fonseca † | Bishop of Jesi, Italy |
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