| Date | Age | Bishop | Title |
| unknown | 55.0 | Juan de La Fuente Yepes † | Bishop of Nueva Segovia, Philippines |
| unknown | 69.0 | Anton Joseph von Lamberg † | Auxiliary Bishop Emeritus of Passau, Germany |
| 8 Jan | 86.8 | Giovanni Maria Benzoni † | Bishop Emeritus of Chioggia, Italy |
| 5 Feb | 66.7 | Diego Martínez y Garrido, O.S. † | Bishop Emeritus of Cartagena, Colombia |
| 7 Feb | 65.9 | Antonín Jan Václav (Anton Johann Wenzel) Vokoun (Wokaun) † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 11 Feb | 74.5 | Francesco Landi Pietra † | Cardinal, Archbishop Emeritus of Benevento, Italy |
| 19 Feb | 67.3 | Gaetano Calvani † | Bishop Emeritus of Bertinoro, Italy |
| 6 Mar | 77.5 | Franz Konrad von Stadion und Thannhausen † | Bishop of Bamberg, Germany |
| 10 Mar | 52.6 | Johann Joseph von Trautson zu Falkenstein (Trauston) † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 15 Mar | 51.4 | Nicolò Lercari † | Titular Archbishop of Rhodus |
| 21 Mar | 86.3 | Antonio Carrara † | Bishop of Fondi (Fundi), Italy |
| 21 Mar | 81.3 | Nicolò Maria Lercari † | Cardinal, Secretary Emeritus of the Secretariat of State |
| 25 Mar | 62.1 | Jan Chryzostom Krasiński † | Auxiliary Bishop of Chełm, Poland |
| 26 Mar | 56.4 | Giacinto Maria Jannucci † | Bishop of Isernia, Italy |
| 29 Mar | 74.2 | Léonor III de Goyon de Matignon † | Bishop of Coutances, France |
| 29 Mar | 56.0 | Francisco Javier Pérez Baroja y Muro † | Bishop of Teruel, Spain |
| 1 Apr | | Bartolomé Camacho Madueño † | Bishop of Tortosa, Spain |
| 1 Apr | 59.8 | Giuseppe Filippo Felissano † | Bishop of Asti, Italy |
| 6 Apr | 92.4 | Pietro Galletti † | Bishop of Catania, Italy |
| 7 Apr | 71.2 | Juan Francisco Guillén † | Archbishop of Burgos, Spain |
| 7 Apr | 58.4 | Mikołaj Ignacy Wyżycki † | Archbishop of Lviv, Ukraine |
| 20 Apr | 72.4 | Paul Alpheran de Bussan, O.S.Io.Hieros. † | Bishop of Malta |
| 20 Apr | 82.7 | Johann Anton von Freyberg-Hopferau † | Bishop of Eichstätt, Germany |
| 21 Apr | 77.9 | Giovanni Girolamo della Torre, B. † | Bishop of Luni e Sarzana, Italy |
| 29 Apr | 55.7 | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 17 May | 74.6 | Miguel (a S. Iosepho) Valejo Berlanga, O.SS.T. † | Bishop of Guadix, Spain |
| 22 May | 55.8 | Dario de Longhis † | Bishop Emeritus of Syros (e Milos), Greece |
| 26 May | 60.3 | Polycarpo de Sousa (Souza), S.J. † | Bishop of Peking [Beijing], China |
| 31 May | 58.4 | Miklós József Csáky † | Archbishop of Esztergom, Hungary |
| 2 Jun | | Nicolaus de Marchis † | Titular Bishop of Nemesi |
| 3 Jun | 73.4 | Giulio Sabbatini, Sch. P. † | Bishop of Modena, Italy |
| 4 Jun | 77.1 | Nicolas-Joseph de Paris † | Bishop of Orléans, France |
| 21 Jun | 86.4 | John Linegar † | Archbishop of Dublin, Ireland |
| 20 Jul | 76.5 | Gabriel de Torres y Navarra † | Titular Archbishop-Elect of Melitene |
| 26 Jul | 59.8 | Marco Antonio Zoglio (Zollius) † | Bishop of Rimini, Italy |
| 30 Jul | 68.8 | Baltazar de Faria Villas-Boas † | Bishop of Elvas, Portugal |
| 11 Aug | 82.8 | Francesco Caracciolo, O.F.M. Obs. † | Bishop of Sessa Aurunca, Italy |
| 26 Aug | 58.8 | Emmanuel-Henri-Timoléon de Cossé-Brissac † | Bishop of Condom, France |
| 4 Sep | 84.6 | Christopher Butler † | Archbishop of Cashel (-Emly), Ireland |
| 6 Sep | 74.0 | Joseph-Dominique (Malachias) d’Inguimbert, O. Cist. † | Bishop of Carpentras, France |
| 10 Sep | 75.1 | Johann Wilhelm von Twickel † | Auxiliary Bishop of Hildesheim, Germany |
| 17 Sep | 35.9 | Domenico Gaetano Novellucci † | Bishop of Colle di Val d’Elsa, Italy |
| 30 Sep | 57.8 | Pellegrino Ferri † | Bishop of Adria, Italy |
| 11 Oct | 67.4 | Pedro Fernández Velarde † | Bishop of Segorbe, Spain |
| 23 Oct | 89.0 | Cherubino Tommaso Nobilione, O.P. † | Bishop Emeritus of Andria, Italy |
| 16 Nov | 62.4 | Giovanni Giacomo Millo † | Cardinal, Prefect of the Congregation of the Council |
| 17 Nov | 65.6 | Luiz de Santa Teresa da Cruz Salgado de Castilho, O.C.D. † | Bishop of Olinda, Brazil |
| 18 Nov | 66.8 | François de Serret de Gaujac † | Bishop of Aire, France |
| 27 Nov | 63.9 | Mikołaj Dembowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 5 Dec | 62.9 | Ermest Amadeus Thomas von Attems † | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| 8 Dec | 66.8 | Placido Pezzancheri, O. Cist. † | Bishop of Tivoli, Italy |