| Date | Age | Bishop | Title |
| unknown | | John MacColgan † | Bishop of Derry, Ireland |
| 6 Jan | 69.0 | Giovanbattista Caracciolo, C.R. † | Bishop of Aversa, 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 |
| 25 Jan | 77.3 | Luca Niccolò Recco † | Bishop of Ripatransone, Italy |
| 14 Feb | 69.7 | Didacus Manola † | Bishop of Trogir (Traù), Croatia |
| 27 Feb | 60.9 | Sebastiano Bonaiuti † | Bishop of Montefeltro, Italy |
| 2 Mar | 71.8 | Christian Albert Anton von Merle † | Auxiliary Bishop of Worms, Germany |
| 9 Mar | 53.2 | Giorgio Uladagni † | Bishop of Sapë, Albania |
| 23 Mar | 80.8 | Juan Francisco Navarro Salvador y Gilabert † | Bishop of Albarracin, Spain |
| 31 Mar | 61.2 | Gerardus Giannettasio † | Bishop of Lavello, Italy |
| Apr | 68.6 | Antonius Nani † | Archbishop of Corfù, Greece |
| 5 Apr | 62.3 | Cornelio Caprara † | Cardinal, Cardinal-Deacon of Santi Cosma e Damiano |
| 20 Apr | 58.3 | Prospero Colonna di Sciarra † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 27 Apr | 65.4 | Tommaso Galli † | Bishop of Tivoli, Italy |
| May | 58.2 | Giuseppi Maria Massoni † | Bishop of Sagone (Sagona), France |
| 1 May | 68.2 | Bonifatius (Giovanni Giuseppe) Cecotti, O.F.M. † | Bishop of Pedena, Austria |
| 12 May | 70.0 | Biagio Chiarelli † | Bishop of Ravello e Scala, Italy |
| 16 May | | William O’Meara † | Bishop of Killaloe, Ireland |
| 18 Jun | 54.7 | Ferenc Barkóczy de Szala † | Archbishop of Esztergom, Hungary |
| 24 Jun | 80.5 | Francisco José de Figueredo y Victoria † | Archbishop of Guatemala |
| 28 Jun | 55.3 | Marcello Capano Orsini † | Archbishop of Conza, Italy |
| 3 Jul | 62.0 | Manuel José Rubio y Salinas † | Archbishop of México, Federal District |
| 15 Aug | 55.6 | Antonius of Alexio, O.F.M. † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 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 Santa Maria in Via |
| 10 Sep | 60.3 | Cesar Crescenzio de Angelis † | Bishop of Segni, Italy |
| 27 Sep | | Benigno Avenati, B. † | Vicar Apostolic of Ava e Pegù, Myanmar |
| 1 Oct | 61.9 | Angelo Antonio Pallante † | Bishop of San Severo, Italy |
| 5 Oct | 72.7 | Pier Maria Giustiniani, O.S.B. † | Bishop of Ventimiglia, Italy |
| 21 Oct | 61.2 | Pietro Cristiani † | Bishop of Piacenza, Italy |
| 28 Oct | 73.8 | Domenico Tatis, O.S.B. † | Bishop of Brugnato, Italy |
| Nov | 66.3 | Gaspare Lancellotti-Birago † | Bishop of Bobbio, 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 | 86.8 | Marc’Antonio Amalfitani † | Bishop of Ortona a Mare e Campli, Italy |
| 11 Nov | 67.7 | João de Azevedo † | Bishop of Portalegre, Portugal |
| 12 Nov | 65.9 | Manuel Sosa Betencourt † | Bishop of Santafé en Nueva Granada, Colombia |
| Dec | 72.3 | Mariano Amato † | Bishop of Crotone (Cotrone), Italy |
| 10 Dec | 75.0 | Domenico Maria (Michelangelo) Salvini, O.P. † | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 26 Dec | 72.7 | Júlio Francisco de Oliveira, C.O. † | Bishop of Viseu, Portugal |
| 27 Dec | 54.7 | Pasquale Teodoro Basta † | Bishop of Melfi e Rapolla, Italy |
| 31 Dec | 91.9 | Gaspare Pizzolanti, O. Carm. † | Bishop of Cervia, Italy |