| Date | Age | Bishop | Title |
|---|
| unknown | 85.2 | Giuseppe Boccarelli † | Bishop of Termoli, Italy |
| unknown | | Stefano Giustiniani † | Bishop of Albenga, Italy |
| unknown | | Giulio Cesare Lomellini † | Bishop of Luni e Sarzana, Italy |
| unknown | 61.9 | Louis-Marie de Nicolay † | Bishop of Cahors, France |
| unknown | | Alejandro José de Ochoa y Morillo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | 65.9 | Stefano (Ildefonso) Ortiz Cortes, O.S.B. † | Bishop of Mottola (Motula), Italy |
| unknown | 67.8 | Gioacchino Paglione † | Bishop of Trivento, Italy |
| unknown | 76.9 | Saverio Palica † | Bishop of Andria, Italy |
| unknown | 66.2 | Ugone Papé di Valdina † | Bishop of Mazara del Vallo, Italy |
| unknown | | Francesco Paolo Perremuto, O.S.B. † | Archbishop of Messina, Italy |
| unknown | 86.9 | Antonio Spedalieri † | Bishop of Bova, Italy |
| unknown | 77.6 | Andrea Torre † | Bishop of Minori, Italy |
| 14 Jan | 77.0 | Gabriel Cortois de Quincey † | Bishop of Belley, France |
| 14 Jan | 56.0 | José do Menino Jesus (Deus), O.C.D. † | Bishop of Viseu, Portugal |
| 13 Mar | 87.2 | Pierre-François-Xavier de Reboul de Lambert † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 17 Mar | 81.7 | Augstín González Pisador † | Bishop of Oviedo, Spain |
| 28 Apr | 66.3 | Charles-Joseph de Raffélis de Saint-Sauveur † | Bishop of Tulle, France |
| 2 May | 53.4 | Aloisio Buonamici † | Bishop of Volterra, Italy |
| 26 May | 72.7 | Joseph Philipp Franz Reichsgraf von Spaur † | Bishop of Brixen {Bressanone}, Italy |
| 1 Jun | 87.2 | José Javier Rodríguez Arellano † | Archbishop of Burgos, Spain |
| 4 Jun | 85.4 | Mathew McKenna † | Bishop of Ross, Ireland |
| 17 Jun | 68.3 | Johann Georg Joseph von Eckart † | Auxiliary Bishop of Mainz, Germany |
| 25 Jun | 62.7 | Antonio Feliú y Centena † | Bishop of Santiago de Cuba |
| 11 Jul | 62.5 | Giovanni de Gregorio † | Cardinal, Cardinal-Priest of SS. Trinità al Monte Pincio |
| 29 Jul | | James Butler (2nd) † | Archbishop of Cashel (-Emly), Ireland |
| 9 Sep | 55.7 | Alexander MacDonald † | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 11 Sep | 76.7 | José Antonio Umeres de Miranda (Humeres) † | Bishop of Panamá |
| 13 Sep | | Bartolomeo Olivazzi † | Bishop of Pavia, Italy |
| 27 Oct | 78.1 | Vicente da Gamal Leao † | Coadjutor Bishop Emeritus of São Sebastião do Rio de Janeiro, Brazil |
| 8 Nov | 78.2 | Pierre Brigot, M.E.P. † | Vicar Apostolic of Verapoly, India |
| 20 Nov | 75.9 | François-Tristan de Cambon † | Bishop of Mirepoix, France |
| 24 Dec | 38.0 | Crescenzio Cavalli, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
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