| Date | Age | Bishop | Title |
|---|
| unknown | 63.6 | Gioacchino Maria Mancusi (Mancuso) † | Archbishop of Conza, Italy |
| unknown | | Luis Rodrigues Vilares † | Bishop of Funchal, Portugal |
| unknown | 71.1 | Louis-Hector-Honoré-Maxime de Sabran † | Bishop of Laon, France |
| 11 Jan | | Giovanni Battista Canaveri † | Bishop of Vercelli, Italy |
| 23 Jan | 80.2 | Leonardo Antonelli † | Cardinal, Cardinal-Bishop of Ostia |
| 27 Jan | 90.0 | Donato de' Liguori † | Bishop of Venafro, Italy |
| 10 Feb | 75.0 | Marie-Charles-Isidore de Mercy † | Archbishop of Bourges, France |
| 13 Feb | 84.0 | Francesco Maria Locatelli † | Cardinal, Bishop of Spoleto, Italy |
| 1 Mar | 78.4 | Pedro Nolasco Mora Mora, O. de M. † | Bishop of Solsona, Spain |
| 4 Mar | 66.2 | Arnaud-Antoine Garnault, M.E.P. † | Vicar Apostolic of Siam, Thailand |
| 19 Mar | 82.4 | Antoine-Eléonore-Léon Le Clerc de Juigné † | Archbishop Emeritus of Paris, France |
| 20 Mar | 72.1 | Charles Erskine of Kellie † | Cardinal, Deacon of Roma {Rome}, Italy |
| 21 Mar | 73.2 | Ippolito Antonio Vincenti Mareri † | Cardinal, Bishop of Sabina, Italy |
| 1 Apr | 74.3 | James Louis O'Donel, O.F.M. † | Vicar Apostolic Emeritus of Newfoundland, Canada |
| 8 Apr | 79.3 | José Antonio Martínez de Aldunate † | Archbishop-Elect of Santiago de Chile |
| 15 Apr | 67.1 | Francisco José de Souza Lima † | Auxiliary Bishop of Braga, Portugal |
| 22 Jun | 72.2 | Ferenc Miklósy † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 9 Jul | 65.6 | Felipe Pelaez Caunedo † | Bishop of Lugo, Spain |
| 24 Jul | 88.5 | Juan Manuel Moscoso y Peralta † | Archbishop of Granada, Spain |
| 28 Jul | 61.9 | Cyprian Odyniec † | Auxiliary Bishop of Mohilev, Belarus |
| 20 Aug | 63.5 | Bernardo Maria Carenzoni, O.S.B. † | Bishop of Feltre, Italy |
| 27 Aug | 44.7 | Antoine Casimir Libère de Stockem † | Auxiliary Bishop of Liège, Belgium |
| 1 Sep | 89.6 | Lorenzo Potenza † | Bishop of Sarno, Italy |
| 12 Sep | 82.2 | Antonín Theodor Colloredo von Wallsee und Mels † | Cardinal, Archbishop of Olomouc, Czech Republic |
| 9 Oct | 78.6 | Filippo Casoni † | Cardinal, Secretary Emeritus of the Secretariat of State |
| 15 Oct | 82.1 | George Hay † | Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 30 Oct | 77.6 | Nicolas Champenois, M.E.P. † | Vicar Apostolic of Verapoly, India |
| 22 Nov | 62.2 | Pedro Luis Blanco † | Bishop of León, Spain |
| Dec | 78.3 | Bartolomé Antonio Fernández Sobrado, O.F.M. Cap. † | Bishop of Ceuta, Spain |
| 21 Dec | 69.7 | Orazio della Torre † | Bishop of Mazara del Vallo, Italy |
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