| Date | Age | Bishop | Title |
| unknown | 72.8 | Franz Julian von Braida † | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| unknown | 73.2 | Carlo Giacinto Lascaris, O.P. † | Bishop of Spoleto, Italy |
| unknown | 48.4 | Bernardo Domenico Leoni † | Bishop of Nona (Nin), Croatia |
| unknown | 74.0 | Juan Navarro Gilaberte, O. de M. † | Bishop Emeritus of Albarracin, Spain |
| unknown | 68.1 | Camillo Spreti † | Bishop of Cervia, Italy |
| 3 Jan | 49.0 | José Gabriel Zapata Illescas † | Bishop of Zamora, Spain |
| 4 Jan | 84.8 | Giuseppe Sacripante † | Cardinal, Cardinal-Priest of San Lorenzo in Lucina |
| 23 Feb | 77.4 | Johann Franz von Eckher von Kapfing und Liechteneck † | Bishop of Freising, Germany |
| 6 Mar | 61.2 | Miguel Estela, O.M. † | Bishop of Jaca, Spain |
| 10 Mar | | Raimondo Gallani, O.P. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 15 Mar | 84.2 | Jacques de Goyon de Matignon † | Bishop Emeritus of Condom, France |
| Apr | 59.2 | Giuseppe Galliani † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 1 Apr | 78.5 | Louis Champion de Cicé † | Vicar Apostolic of Siam, Thailand |
| 4 Apr | 77.3 | Wilhelm von Leslie † | Bishop of Ljubljana, Slovenia |
| 5 Apr | 81.7 | Lorenzo Gherardi † | Bishop of Recanati e Loreto, Italy |
| May | 58.7 | Biagio Antonio Copeti † | Bishop of Mottola (Motula), Italy |
| 23 May | 68.9 | Fulvio Salvi † | Bishop of Sovana (Soana), Italy |
| 27 May | 75.4 | Henri de Nesmond † | Archbishop of Toulouse, France |
| 20 Jun | 70.5 | Salvador Rodríguez Castelblanco, T.O.R. † | Bishop of Orihuela, Spain |
| 25 Jun | 61.6 | Fortunato Morosini, O.S.B. † | Bishop of Brescia, Italy |
| 5 Jul | 59.4 | Antonio Laghi, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 16 Jul | 74.3 | Gaspare Gori-Mancini, O.S.Io.Hieros. † | Bishop of Malta |
| 18 Jul | 63.8 | Franz Anton von Harrach zu Rorau † | Archbishop of Salzburg, Austria |
| 27 Jul | | Miguel Herrero Esgueva † | Archbishop of Santiago de Compostela, Spain |
| 31 Jul | 74.9 | Johann Edmund Gedult von Jungenfeld † | Auxiliary Bishop of Mainz, Germany |
| 31 Jul | 68.6 | Giambattista Patrizi † | Cardinal, Titular Archbishop of Seleucia in Isauria |
| Aug | 66.8 | Pietro Savastano, O.F.M. † | Bishop of Castellammare di Stabia, Italy |
| 28 Aug | 62.0 | Giacomo Falconi † | Bishop of Caiazzo, Italy |
| Sep | 51.7 | Carolus Poninski † | Auxiliary Bishop of Poznań, Poland |
| 5 Sep | 53.6 | Stephan Cloth, O.S.B. † | Auxiliary Bishop of Fulda, Germany |
| 12 Sep | 64.7 | Emanuele Spinelli d’Acquaro, C.R. † | Bishop of Catanzaro, Italy |
| 13 Sep | | Pierre-Guillaume de La Vieuxville-Pourpris † | Bishop of Saint-Brieuc, France |
| 19 Sep | 76.1 | Carlo Agostino Fabroni † | Cardinal, Cardinal-Priest of Sant’Agostino |
| 19 Sep | | Alexander John Grant † | Vicar Apostolic of Highland District, Scotland, Great Britain |
| Oct | 70.7 | Pietro Antonio Pietrasanta, B. † | Bishop of Martirano (Martoranum), Italy |
| 12 Oct | 76.8 | Emmanuel da Silva Frances † | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 19 Oct | | Pierre-Joseph de Francken-Sierstoff † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 29 Oct | 45.8 | Ioan Constantin Giurgiu Patachi (Nemes de Pataky), O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania |
| 4 Nov | 75.8 | Baltasar de Mendoza y Sandoval † | Bishop of Segovia, Spain |
| 5 Nov | 63.8 | José de Talavera Gómez de Eugenio, O.S.H. † | Bishop of Valladolid, Spain |
| 17 Nov | 71.9 | François Gaspard de Grammont † | Auxiliary Bishop of Besançon, France |
| 17 Nov | 64.9 | François de Valbelle de Tourves † | Bishop of Saint-Omer, France |
| 19 Nov | 63.0 | André Dreuilhet (Drouillet) † | Bishop of Bayonne, France |
| 9 Dec | 45.0 | Luigi Maria Macedonio, C.M. † | Bishop of Sessa Aurunca, Italy |
| 11 Dec | 76.1 | Seweryn Szczuka † | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 15 Dec | 57.7 | Pantaleon Bruns, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| 18 Dec | 60.1 | Dominique-Barnabé Turgot de Saint-Clair † | Bishop of Sées, France |
| 21 Dec | 82.3 | Ambrogio Spinola, B. † | Bishop of Luni e Sarzana, Italy |
| 26 Dec | 74.1 | Jean-Baptiste de la Croix Chevrière de St. Vallier † | Bishop of Québec, Canada |