| Date | Age | Bishop | Title |
|---|
| unknown | 51.0 | Nicola Abrate † | Bishop of Terni, Italy |
| unknown | 83.5 | Alessandro Berettini † | Bishop of Teramo, Italy |
| unknown | 61.8 | Martino Caliendi † | Bishop of Monte Feltre, Italy |
| unknown | | Juan Fernández de Sotomayor Picón † | Bishop of Cartagena, Colombia |
| unknown | 85.8 | Luigi Grati † | Titular Bishop of Callinicum |
| unknown | 86.3 | Antonio Sánchez Matas, O.F.M. † | Bishop Emeritus of La Paz, Bolivia |
| unknown | | Angelo Maria Scanzano † | Bishop of Castellammare di Stabia, Italy |
| unknown | 68.5 | Sebastiano Soldati † | Bishop of Treviso, Italy |
| unknown | | David Walsh † | Bishop of Ross, Ireland |
| 7 Jan | 81.4 | Filippo Cattani † | Bishop of Reggio Emilia, Italy |
| 17 Jan | 46.1 | Edward Maginn † | Coadjutor Bishop of Derry, Ireland |
| 18 Jan | 67.9 | Juan Antonio Ignacio Fernández Peña y Angulo † | Archbishop of Caracas, Santiago de Venezuela |
| 26 Jan | 52.3 | Filippo de' Conti Curoli † | Bishop of Rieti, Italy |
| 31 Jan | 73.0 | Jean-François de Hercé † | Bishop Emeritus of Nantes, France |
| 16 Feb | 71.7 | Giovanni Battista Rossi † | Bishop of Pistoia-Prato, Italy |
| 17 Feb | 57.0 | Daniel-Victor Manglard † | Bishop of Saint-Dié, France |
| 18 Feb | 72.4 | Thomas Walsh † | Vicar Apostolic of London District, England, Great Britain |
| 24 Feb | 78.6 | Jules-François de Simony † | Bishop Emeritus of Soissons (-Laon), France |
| 4 Mar | 73.9 | Pietro Ostini † | Cardinal, Bishop Emeritus of Jesi, Italy |
| 5 Mar | 46.9 | Alois Josef Schrenk † | Archbishop of Praha {Prague}, Czech Republic |
| 15 Mar | 74.5 | Giuseppe Gasparo Mezzofanti † | Cardinal, Cardinal-Priest of S. Onofrio |
| 21 Mar | 72.5 | Agustín Lorenzo Varela Temes † | Bishop of Salamanca, Spain |
| 24 Mar | 76.2 | Pedro Martínez San Martín † | Bishop of Barcelona, Spain |
| 4 Apr | 61.7 | Jean-Jacques Fayet † | Bishop of Orléans, France |
| 6 Apr | 68.8 | William Crolly † | Archbishop of Armagh, Ireland |
| 1 May | 73.3 | Juan Manuel de Irrizarri y Peralta † | Auxiliary Bishop of México, Federal District |
| 7 May | 51.6 | André-Joseph Guitton † | Bishop of Poitiers, France |
| 3 Jun | 61.7 | Tommaso Pasquale Gizzi † | Cardinal, Secretary of the Secretariat of State |
| 18 Jun | 43.0 | William Barber Tyler † | Bishop of Hartford, Connecticut, USA |
| 23 Jun | 74.7 | José Hilarión Etrura Cevallos, O.P. † | Auxiliary Bishop of San Juan de Cuyo, Argentina |
| Sep | 66.7 | James Keatinge † | Bishop of Ferns, Ireland |
| 6 Sep | | Nicolás Joaquín de Arteta y Calisto † | Archbishop of Quito, Ecuador |
| 23 Sep | 90.5 | Antoine de La Grange de Pons † | Bishop of Moulins, France |
| 16 Oct | 69.2 | Jakob Joseph Wandt † | Bishop of Hildesheim, Germany |
| 29 Nov | | Giovanni Muzi † | Bishop of Città di Castello, Italy |
| 1 Dec | 37.9 | Alexandre-Hippolyte-Xavier Monnet, C.S.Sp. † | Vicar Apostolic of Madagascar, Madagascar |
| 8 Dec | 85.3 | Paul Louis Joseph D'Hautpoul † | Bishop Emeritus of Cahors, France |
| 19 Dec | 36.2 | Pierre Lavaissière, C.M. † | Vicar Apostolic of Chekiang {Ce-Kiam}, China |
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