| Date | Age | Bishop | Title |
| unknown | | Patrick Maguire, O.F.M. † | Coadjutor Bishop of Kilmore, Ireland |
| unknown | | Agustín Francisco de Otondo † | Bishop-Elect of Santa Cruz de la Sierra, Bolivia |
| unknown | | Adrianus van Dongen † | Vicar Apostolic of Breda, Netherlands |
| unknown | 79.2 | Franciszek Remigiusz Zambrzycki † | Auxiliary Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 3 Jan | 66.5 | Giovanni Collaro † | Bishop of Tinos, Greece |
| 22 Jan | 77.5 | Antonio Codronchi † | Archbishop of Ravenna, Italy |
| 8 Feb | 73.2 | Jean-Baptiste-Marie Aubriot de la Palme † | Bishop Emeritus of Aosta, Italy |
| 11 Feb | 80.9 | Salvatore Maria Pignattaro, O.P. † | Bishop of Isernia, Italy |
| 21 Feb | 45.3 | João Damasceno Da Silva Póvoas † | Bishop of Angola e Congo, Angola |
| 23 Feb | 83.1 | Charles-François-Joseph Pisani de La Gaude † | Bishop of Namur {Namen}, Belgium |
| 6 Mar | 63.1 | José de Jesus Maria Pinto, C.R.S.A. † | Bishop of Lamego, Portugal |
| 8 Mar | 89.4 | Filippo Sardi † | Archbishop of Lucca, Italy |
| 19 Mar | 79.8 | Antonio Carrillo Mayoral † | Bishop of Plasencia, Spain |
| 14 Apr | 78.1 | Nicola Carelli † | Bishop of Conversano, Italy |
| 18 Apr | 87.7 | Adeodatus Papikian, C.M.V. † | Titular Bishop of Ejmiacin |
| 19 Apr | 73.5 | John Milner † | Vicar Apostolic of Midland District, England, Great Britain |
| 24 Apr | 55.4 | Francesco Saverio d’Urso † | Bishop of Ugento, Italy |
| 1 May | 68.0 | Giovanni Battista de Martino di Pietradoro † | Bishop of Telese o Cerreto Sannita, Italy |
| 11 May | 61.8 | Stanislao Sanseverino † | Cardinal, Priest of the Roman Curia - Other |
| 8 Jun | 74.9 | Henri-Marie-Clauce de Bruc-Montplaisir † | Bishop of Vannes, France |
| 21 Jun | 37.4 | Girolamo Conversini † | Bishop of Cortona, Italy |
| 25 Jun | 94.5 | Dominicus Arcaroli † | Bishop Emeritus of Vieste, Italy |
| 30 Jun | 80.6 | Matthäus Georg von Chandelle † | Bishop of Speyer, Germany |
| 11 Jul | 89.9 | Charles-François d’Aviau Du Bois-de-Sanzay † | Archbishop of Bordeaux, France |
| 17 Jul | 76.6 | José Valério da Cruz, C.O. † | Bishop of Portalegre, Portugal |
| 18 Jul | 83.6 | Francesco Giovanni Scutellari Ajani † | Titular Bishop of Ioppe |
| 26 Jul | 76.6 | Baldassare Mormile, C.R. † | Archbishop of Capua, Italy |
| 30 Jul | | Bonaventura Zabberoni, O.F.M. Conv. † | Titular Bishop of Helenopolis in Bithynia |
| 19 Aug | 56.5 | Carlo Cavalieri Manassi † | Bishop of Terracina, Priverno e Sezze, Italy |
| 18 Sep | 73.6 | Alessandro Tommasini † | Archbishop of Reggio Calabria, Italy |
| 22 Sep | 64.8 | Fernando Cano Almirante, O.F.M. † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 29 Sep | 68.0 | Pietro Francesco Morali † | Archbishop of Firenze {Florence}, Italy |
| 14 Oct | 26.8 | Martinus van der Weijden † | Prefect of Dutch Guyana-Suriname, Suriname, Antilles |
| 22 Oct | 78.5 | Leopold Leonhard von Thun † | Bishop of Passau, Germany |
| 9 Nov | 71.0 | Fabrizio Turriozzi † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 16 Nov | 92.5 | Luca Nicola De Luca † | Bishop Emeritus of Trivento, Italy |
| 20 Nov | 74.7 | Ramón Falcón y Salcedo † | Bishop of Cuenca, Spain |
| 30 Nov | 76.4 | Nicola Antonio Montiglia † | Bishop of Nicotera e Tropea, Italy |
| 1 Dec | 95.2 | Stanislaw Jan Siestrzencewicz Bohusz † | Archbishop of Mohilev, Belarus |
| 3 Dec | 66.2 | Dionisio Bardaxí y Azara † | Cardinal, Priest of the Roman Curia - Other |
| 11 Dec | 82.0 | Giovanni Filippo Ferrone † | Bishop of Muro Lucano, Italy |
| 15 Dec | 91.8 | Gabriel-Laurent Paillou(x) † | Bishop of La Rochelle, France |
| 19 Dec | 70.5 | Joseph Chrysostomus Pauer † | Bishop of Sankt Pölten, Austria |
| 23 Dec | 88.8 | Stefano Bonsignore † | Bishop of Faenza, Italy |
| 23 Dec | | Lekë Summa † | Bishop of Sapë, Albania |
| 31 Dec | 78.8 | Jozef Kluch † | Bishop of Nitra, Slovakia |