| Date | Age | Bishop | Title |
| unknown | 54.0 | Georgius Casimirus Ancuta † | Auxiliary Bishop of Vilnius, Lithuania |
| unknown | 85.0 | Denis Moriarty † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| unknown | 63.0 | Pietro Scurra † | Archbishop of Durrës (Durazzo), Albania |
| 5 Jan | 86.0 | Cyprien-Gabriel Bénard de Résay † | Bishop of Angoulême, France |
| 6 Jan | 80.4 | Francesco Maria Federico Carafa, C.R. † | Bishop of Nola, Italy |
| 15 Jan | 85.7 | Giuseppe Renato Imperiali † | Cardinal, Cardinal-Priest of San Lorenzo in Lucina |
| 17 Jan | 68.9 | Carlo Cornaccioli, O. Carm. † | Bishop of Bobbio, Italy |
| 24 Jan | 73.8 | Alexander Sigmund am Rhein zu Neuburg † | Bishop of Augsburg, Germany |
| Feb | 74.0 | Filippo Valignani, O.P. † | Archbishop of Chieti, Italy |
| 9 Feb | 65.3 | Alfonso Mariconda, O.S.B. † | Archbishop of Acerenza e Matera, Italy |
| 26 Feb | 64.0 | Bartolomeo Pucci Franceschi † | Bishop of Pescia, Italy |
| Mar | 66.8 | Nicola Cani, O.P. † | Bishop of Bosa, Italy |
| 2 Mar | 61.2 | Sebastião de Andrade Peçanha † | Archbishop Emeritus of Goa, India |
| 18 Mar | 76.0 | Curzio Origo † | Cardinal, Cardinal-Priest of Sant’Eustachio |
| 19 Mar | 79.6 | Johann Konrad von Reinach-Hirzbach † | Bishop of Basel, Switzerland |
| 29 Mar | 67.9 | Álvaro Pires de Castro Noronha † | Bishop of Portalegre, Portugal |
| 13 Apr | 66.7 | Santiago Pinaque, O. Carm. † | Bishop of Gaeta, Italy |
| 16 Apr | 78.8 | Marco Giacinto Gandolfo † | Bishop of Noli, Italy |
| 4 May | | Cornelius O’Keeffe † | Bishop of Limerick, Ireland |
| 23 May | 59.9 | Juan José de Escalona y Calatayud † | Bishop of Michoacán, México |
| 19 Jul | 64.5 | Benito Crespo y Monroy, O.S. † | Bishop of Tlaxcala, México |
| 21 Jul | 49.6 | Manuel de Ocio y Campo † | Bishop of Cebu, Philippines |
| 24 Jul | | Charles-Joseph Quiqueran de Beaujeu † | Titular Bishop of the Titular See |
| 26 Jul | 80.2 | Henri-Pons de Thiard de Bissy † | Cardinal, Bishop of Meaux, France |
| 2 Aug | 77.6 | Hugh MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 8 Aug | 73.6 | Thomas Bottaro a Sextris, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 15 Aug | 79.5 | João de Sousa Carvalho † | Bishop of Miranda (do Douro), Portugal |
| 27 Aug | 78.7 | Simeón Guinda Apéztegui, O.S.A. † | Bishop of Urgell, Spain |
| 12 Sep | 61.7 | Louis-Pierre de La Tour du Pin-Montauban † | Bishop of Toulon, France |
| 13 Sep | 62.7 | Diego González Toro y Villalobos † | Bishop of Cuenca, Spain |
| 15 Sep | 41.7 | Valerian Rist, O.F.M. † | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 5 Oct | 76.2 | Jean Claude Sommier † | Titular Archbishop of Caesarea in Cappadocia |
| 22 Oct | 82.3 | Rinaldo d’Este † | |
| Nov | 67.1 | Francesco Antonio de Martini † | Bishop of Ascoli Satriano, Italy |
| Nov | | José del Yermo Santibáñez † | Archbishop of Santiago de Compostela, Spain |
| 3 Nov | 53.3 | Felipe Aguado Requejo † | Bishop of Barcelona, Spain |
| 11 Nov | 81.2 | Claude Visdelou, S.J. † | Vicar Apostolic of Foreign Vicariate |
| 23 Nov | 72.2 | Antonfelice Zondadari † | Cardinal, Cardinal-Priest of Santa Prassede |
| 28 Nov | 76.6 | Didaco Di Pace † | Bishop of Sarno, Italy |
| Dec | 67.4 | Nicolò Drasich † | Bishop of Ossero (Osor), Croatia |
| 24 Dec | 46.0 | Simon István Olsavszky † | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 27 Dec | | Giovanni Francesco de Nicolais, O.F.M. † | Vicar Apostolic of Houkouang, China |