| Date | Age | Bishop | Title |
| unknown | 63.0 | Leonardo Balsarini † | Bishop Emeritus of Chios (Scio), Greece |
| unknown | | Petrus Ferreux † | Titular Bishop of Zabulon |
| unknown | 47.0 | Giovanni Morillo Velarde † | Archbishop of Sassari, Italy |
| unknown | 45.0 | Isaias Popovich, O.S.B.M. † | Titular Bishop of Plataea |
| unknown | 65.0 | Angelus Veniero (Venerius) † | Bishop of Tinos, Greece |
| 6 Jan | 57.9 | Giuseppe Sallustio Fadulfi † | Bishop of Ascoli Piceno, Italy |
| 14 Jan | 64.0 | Federico Caccia † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 26 Jan | 64.1 | Miguel Pontich, O.F.M. † | Bishop of Gerona, Spain |
| Feb | 65.6 | Bernardinus Marchese † | Bishop of Sarsina, Italy |
| 1 Feb | 62.0 | Manuel Fernández de Santa Cruz y Sahagún † | Bishop of Tlaxcala, México |
| 1 Feb | | Diego Petra † | Archbishop of Sorrento, Italy |
| 18 Feb | 60.0 | Giovanni Giacomo Cavallerini † | Cardinal, Cardinal-Priest of San Bartolomeo all’Isola |
| 4 Mar | 70.2 | György Fenessy † | Bishop of Eger, Hungary |
| 9 Mar | 48.2 | Manuel Plácido de Quirós de Porras, O.S.B. † | Bishop of Antequera, Oaxaca, México |
| 20 Mar | 84.2 | Carolus Montecatini † | Titular Archbishop of Chalcedon |
| Apr | 83.3 | Giacomo Circio † | Bishop of Sant’Agata de’ Goti, Italy |
| Apr | 64.3 | Francesco Maria Giannotti † | Bishop of Segni, Italy |
| 6 May | 60.2 | Henri de Barillon † | Bishop of Luçon, France |
| 11 May | 67.1 | Joannes Ferrari † | Bishop of Aquino, Italy |
| 19 May | 68.7 | Jean-Ferdinand Van Beughem † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 26 May | 78.4 | Miguel de Fuentes y Altossano, O. Cist. † | Bishop of Lugo, Spain |
| 13 Jun | 72.3 | Juan Tomás de Rocaberti, O.P. † | Archbishop of Valencia, Spain |
| 9 Jul | 78.7 | Jean Antoine Blavier, O.F.M. Conv. † | Auxiliary Bishop Emeritus of Liège, Belgium |
| 18 Jul | 69.5 | Marco Antonio Contestabile † | Bishop of Bova, Italy |
| 19 Jul | 82.2 | Giovanni Delfino † | Cardinal, Patriarch of Aquileia, Italy |
| 8 Aug | 58.7 | José Martínez del Villar † | Bishop of Barbastro, Spain |
| 19 Aug | 69.4 | José Sáenz de Aguirre, O.S.B. † | Cardinal, Cardinal-Priest of Santa Maria sopra Minerva |
| 20 Aug | 76.6 | Jan Małachowski † | Bishop of Kraków, Poland |
| 23 Aug | 71.6 | Miguel Jeronimo Fuenbuena, O.P. † | Bishop of Albarracin, Spain |
| 30 Aug | 64.7 | Sebastiano Milazzi (Milati), O.S.B. † | Bishop of Lavello, Italy |
| Sep | 76.9 | Giacomo Porrata † | Bishop of Noli, Italy |
| 7 Sep | 67.5 | Manuel de Moura Manuel † | Bishop of Miranda (do Douro), Portugal |
| 19 Sep | 46.0 | Alfonso Aguilar Fernández de Córdoba † | Cardinal, Cardinal-Priest |
| Oct | 56.0 | Josephus Rodoero (Rodoerius) † | Bishop of Acerra, Italy |
| 6 Oct | 69.8 | Giuseppe Nicola Giberti † | Bishop Emeritus of Teano, Italy |
| Nov | 70.3 | Lelio Ardizzone † | Bishop of Casale Monferrato, Italy |
| 11 Nov | 64.9 | Agostino Arellano, O.S.A. † | Archbishop of Brindisi, Italy |
| Dec | 71.2 | Cesare Ugolini † | Bishop of Grosseto, Italy |
| 12 Dec | 75.9 | Manuel de Molinedo Angulo † | Bishop of Cuzco, Peru |
| 22 Dec | | Michael Angelus Mattei † | Titular Patriarch of Antiochia {Antioch} |
| 31 Dec | 57.2 | Giulio Dalla Rosa † | Bishop of Borgo San Donnino, Italy |