| Date | Age | Bishop | Title |
| unknown | 75.4 | Antonio Allué y Sesse † | Patriarch of West Indies, Spain |
| unknown | | Jesu-Yab Melchisedech † | Bishop of Salmas {Shahpour} (Chaldean), Iran |
| 2 Jan | 81.1 | Clemens Bąkiewicz † | Priest |
| 7 Jan | 78.0 | Carlo Monti † | Bishop of Cagli e Pergola, Italy |
| 13 Jan | 76.2 | Franciszek Borgiasz Mackiewicz † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 14 Jan | 82.6 | Jean-Baptiste de Bouillé † | Bishop of Poitiers, France |
| 17 Jan | 73.3 | Joseph Maria Johann Nepomuk von Fraunberg † | Archbishop of Bamberg, Germany |
| 31 Jan | 71.8 | Pierre-Joseph Rey † | Bishop of Annecy, France |
| 10 Feb | 74.5 | Francesco Gaetano Buglioni (Bullione di Monale) † | Bishop of Mondovi, Italy |
| 22 Feb | | Aloisio Scacoz, O.F.M. † | Bishop Emeritus of Cefalonia e Zante, Greece |
| 1 Mar | 82.2 | Abdullah Blibl † | Archbishop of Cipro (Maronite), Cyprus |
| 12 Mar | 76.4 | Felipe González Abarca, O. de M. † | Bishop of Santander, Spain |
| 15 Mar | 71.9 | Pietro Ignazio Marolda, C.SS.R. † | Bishop of Pozzuoli, Italy |
| 21 Mar | 68.6 | Ignatz Anton Demeter † | Archbishop of Freiburg im Breisgau, Germany |
| 22 Mar | 84.0 | Giuseppe Morozzo Della Rocca † | Cardinal, Bishop of Novara, Italy |
| 25 Mar | 63.9 | Antonio Giurico † | Bishop of Dubrovnik (Ragusa), Croatia |
| 29 Mar | 87.2 | Giovanni Philip Paroni, O.F.M. Conv. † | Titular Bishop of Tlos |
| 3 Apr | 70.3 | Dominico Secondi, O.F.M. Conv. † | Bishop Emeritus of Assisi, Italy |
| 11 Apr | 55.6 | John England † | Bishop of Charleston, South Carolina, USA |
| 21 Apr | 78.1 | Karl Adalbert von Beyer, O. Praem. † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 22 Apr | 94.3 | Henry Conwell † | Bishop of Philadelphia, Pennsylvania, USA |
| 25 Apr | 74.9 | Michele Lanzetta † | Bishop of Lacedonia, Italy |
| 29 Apr | | Vincenzo de Rosario, C.O. † | Vicar Apostolic of Ceylon, Sri Lanka |
| 30 Apr | 71.4 | Pedro González Vallejo † | Bishop Emeritus of Mallorca, Spain |
| 11 May | 62.9 | Gaetano Balletti † | Bishop of Cervia, Italy |
| 16 May | 78.7 | Augustin de Mailhet de Vachères † | Bishop of Tulle, France |
| 21 May | 74.5 | Jean-Joseph-Pierre Guigou † | Bishop of Angoulême, France |
| 27 May | | Niccola Candoni † | Archbishop of Naxos, Greece |
| 16 Jun | 55.6 | François-Marie-Edouard de Gualy † | Archbishop of Albi, France |
| 20 Jun | 66.4 | Ignacy Ludwik Pawłowski † | Archbishop of Mohilev, Belarus |
| 4 Jul | 74.7 | Luigi Scalabrini, O. Carm. † | Bishop of Mazara del Vallo, Italy |
| 23 Jul | 85.9 | François-François Besson † | Bishop of Metz, France |
| 5 Aug | 37.8 | Theodor Joset † | Prefect of Hong Kong [Xianggang], China |
| 27 Aug | 87.8 | Jean-François-Marie Le Pappe de Trévern † | Bishop of Strasbourg, France |
| 21 Sep | 77.6 | Antonio Maria Traversi † | Titular Patriarch of Constantinople |
| Oct | 44.6 | Etienne Jerome Rouchouze, SS.CC. † | Vicar Apostolic of Eastern Oceania, Pacific (Oceania) |
| 7 Oct | 69.1 | Michele Barone † | Bishop of Capaccio, Italy |
| 23 Oct | 54.2 | Michael Johann Wagner † | Bishop of Sankt Pölten, Austria |
| 7 Nov | 84.6 | Agostino Rivarola † | Cardinal, Priest of Roma {Rome}, Italy |
| 11 Nov | 72.0 | Niccola Mazzoni † | Bishop of Terni, Italy |
| 24 Nov | 85.2 | Michele Palmieri † | Bishop of Monopoli, Italy |
| 29 Nov | 71.8 | Marcos Antônio de Souza † | Bishop of São Luís do Maranhão, Brazil |
| 14 Dec | 71.6 | Dominique-Marie Savy † | Bishop Emeritus of Aire, France |
| 18 Dec | 81.9 | Antonio Pérez de Hirias † | Bishop of Mallorca, Spain |
| 20 Dec | 78.3 | John Dubois, P.S.S. † | Bishop of New York, New York, USA |
| 26 Dec | 68.1 | Marcin von Dundin Sulgustowski † | Archbishop of Gniezno e Poznań, Poland |
| 31 Dec | 86.1 | Vitale Loschi † | Bishop of Parma, Italy |