| Date | Age | Bishop | Title |
| unknown | 68.8 | Antonio Raffaele Dolci, O.P. † | Bishop of Stagnum |
| unknown | 63.6 | Pietro Leopardi † | Bishop of Ancona e Numana, Italy |
| unknown | 75.9 | Silvestro Scarani † | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 8 Jan | 69.3 | Antonio Tavira Almazán † | Bishop of Salamanca, Spain |
| 20 Jan | 71.4 | Johann Maximilian Freiherr von Haunold † | Auxiliary Bishop of Mainz, Germany |
| Feb | 87.1 | Michael Peter MacMahon (McMahon), O.P. † | Bishop of Killaloe, Ireland |
| 10 Feb | 77.3 | Francisco José Marán † | Bishop of Santiago de Chile |
| 13 Mar | 50.6 | Antoine-Xavier Maynaud de Pancemont † | Bishop of Vannes, France |
| 19 Mar | 62.0 | Joseph Anton Blatter † | Bishop of Sion {Sitten}, Switzerland |
| 5 May | 62.8 | Ignacy Houwalt † | Auxiliary Bishop-Elect of Vilnius, Lithuania |
| 18 Jun | 59.2 | Joseph Anton Gall † | Bishop of Linz, Austria |
| 5 Jul | 72.3 | Diego Gregorio Cadello † | Cardinal, Archbishop of Cagliari, Italy |
| 13 Jul | 82.4 | Henry Benedict Mary Clement Stuart of York † | Cardinal, Bishop of Frascati, Italy |
| 10 Aug | 71.2 | Claude de Bexon † | Bishop Emeritus of Namur {Namen}, Belgium |
| 12 Aug | 83.1 | Bernardino Honorati † | Cardinal, Bishop of Senigallia, Italy |
| 23 Aug | 66.8 | Martin Gorgey † | Auxiliary Bishop of Esztergom, Hungary |
| 27 Aug | 81.9 | Guido Calcagnini † | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 15 Nov | 67.2 | Pedro Díaz Valdés † | Bishop of Barcelona, Spain |
| 28 Nov | 63.9 | Louis-Apolinaire de La Tour du Pin-Montauban † | Bishop of Troyes, France |
| 29 Nov | 58.5 | Joaquim Maria Mascarenhas Castello Branco † | Bishop Emeritus of Angola e Congo, Angola |
| 30 Nov | 60.2 | Antonio Vila Campos † | Bishop of Albarracin, Spain |
| 15 Dec | 55.4 | Giovanni Coppola † | Titular Archbishop of Myra |