| Date | Age | Bishop | Title |
| unknown | 77.0 | Istvan Gosztonyi † | Auxiliary Bishop of Esztergom, Hungary |
| unknown | 63.0 | Patrick Lambert, O.F.M. † | Vicar Apostolic Emeritus of Newfoundland, Canada |
| unknown | | Georgius Tuno † | Vicar Apostolic of Sofia e Plovdiv, Bulgaria |
| 1 Jan | 84.8 | Giuseppe Gregorio Scotti † | Archbishop of Zadar (Zara), Croatia |
| 10 Jan | 75.7 | Lorenzo Caleppi † | Cardinal, Apostolic Nuncio to Portugal |
| 13 Jan | 74.7 | Giuseppe Maria Bressa, O.S.B. † | Bishop of Concordia (Sagittaria), Italy |
| 17 Jan | 70.1 | Tomasz Ostaszewski † | Bishop of Płock, Poland |
| 21 Jan | 76.2 | Joseph Christian Franz de Paula zu Hohenlohe-Waldenburg-Bartenstein † | Bishop of Wrocław (Breslau), Poland |
| 1 Feb | 57.6 | Juan Bautista Sacristán y Galiano † | Archbishop of Santafé en Nueva Granada, Colombia |
| 4 Feb | 63.7 | László Kámánházy † | Bishop of Vác, Hungary |
| 6 Feb | 79.1 | Gerardus Mele † | Bishop of Tropea, Italy |
| 10 Feb | 73.0 | Karl Theodor von Dalberg † | Bishop of Worms, Germany |
| 16 Feb | 89.2 | Gaetano Maria Garrasi, O.S.A. † | Archbishop of Messina, Italy |
| 17 Feb | 71.5 | Heinrich (Philipp Ernst) von Warnsdorf, O.S.B. † | Vicar Apostolic of Fulda, Germany |
| 25 Mar | 89.1 | Alfonso Airoldi † | Prelate of Santa Lucia del Mela, Italy |
| 23 Apr | 81.3 | László Kollonitz † | Archbishop of Kalocsa, Hungary |
| 29 Apr | 76.0 | Saverio Granata, C.R. † | Bishop of Agrigento (Girgenti), Italy |
| 30 Apr | 63.8 | Romoaldo Braschi-Onesti † | Cardinal, Archpriest of the Basilica di San Pietro in Vaticano {Saint Peter Basilica} |
| 1 May | 75.8 | Vincenzo Calŕ † | Archbishop of Sorrento, Italy |
| 1 May | 76.5 | Josef-Franz (Joseph François Xavier) de Preux † | Bishop of Sion {Sitten}, Switzerland |
| 10 May | 70.9 | Jean-Siffrein Maury † | Cardinal, Bishop Emeritus of Corneto (Tarquinia) e Montefiascone, Italy |
| 14 Jun | 68.7 | Alfonso Cingari † | Bishop of Cagli, Italy |
| 18 Jun | 70.7 | Leonard Neale, S.J. † | Archbishop of Baltimore, Maryland, USA |
| 8 Jul | 72.9 | Henri-Benoit-Jules de Béthizy † | Bishop of Uzés, France |
| 17 Jul | | John O’Flynn † | Bishop of Achonry, Ireland |
| 17 Jul | 76.7 | Alberto Maria Giuseppe Andrea Luigi Solinas † | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy |
| 8 Aug | 53.6 | Michelangelo Calmet † | Bishop of Ripatransone, Italy |
| 12 Aug | | Ignazio Palmidessa, O.P. † | Bishop of Tinos, Greece |
| 14 Aug | 72.8 | Jean-François de Mandolx † | Bishop of Amiens, France |
| 14 Aug | 73.8 | Cypriano de Săo José, O.F.M. † | Bishop of Mariana, Brazil |
| 21 Aug | | José Ventura y Cabello † | Priest of Guayana, Venezuela |
| 31 Aug | 41.6 | Manuel del Villar † | Bishop of Lérida, Spain |
| 7 Oct | 53.0 | Francesco Maria Biordi † | Titular Bishop of Dulma |
| 9 Oct | 78.5 | Bernardino Marini, C.R.L. † | Bishop of Treviso, Italy |
| 23 Oct | 79.8 | Antonio Lante Montefeltro Della Rovere † | Cardinal, Cardinal-Priest of Santi Quirico e Giulitta |
| 30 Oct | 71.9 | Sébastien-Charles-Philibert de Roger de Cahuzac de Caux † | Bishop Emeritus of Aire, France |
| 12 Nov | 77.9 | Giovanni Battista a Santa Margarita Pietro Alessandro Banfi, O.C.D. † | Bishop of Tivoli, Italy |
| 13 Nov | | Bonaventura Carenzi, O.F.M. Conv. † | Bishop of Cittŕ della Pieve, Italy |
| 25 Nov | 72.3 | Gregorio (Felix Antonius Paschalis) Boari, O.F.M. Cap. † | Bishop of Comacchio, Italy |
| 18 Dec | 55.4 | Gregor von Zirkel † | Auxiliary Bishop of Würzburg, Germany |
| 31 Dec | 80.0 | Camillo de Simeoni † | Cardinal, Bishop of Nepi e Sutri, Italy |