| Date | Age | Bishop | Title |
| unknown | | Valério do Sacramento † | Bishop of Angra, Portugal |
| unknown | | Baltazar de Faria Vilas-Boas † | Bishop of Elvas, Portugal |
| unknown | | Muzio Gaeta † | Archbishop of Bari (-Canosa), Italy |
| unknown | | Juan de La Fuente Yepes † | Bishop of Nueva Segovia, Philippines |
| unknown | | John Linegar † | Archbishop of Dublin, Ireland |
| unknown | | Juan Pablo de Olmedo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | | Placido Pezzancheri † | Bishop of Tivoli, Italy |
| unknown | 82.0 | Luciano Santiago † | Bishop of Nueva Segovia, Philippines |
| 8 Jan | 86.8 | Giovanni Maria Benzoni † | Bishop Emeritus of Chioggia, Italy |
| 5 Feb | 66.8 | Diego Martínez Garrido, O.S. † | Bishop Emeritus of Cartagena, Colombia |
| 7 Feb | 65.9 | Anton Johann Wenzel Wokaun (Woknau) † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 6 Mar | 77.5 | Franz Konrad Reichsgraf von Stadion und Thannhausen † | Bishop of Bamberg, Germany |
| 10 Mar | 52.6 | Johann Joseph Reichsgraf von Trautson zu Falkenstein (Trauston) † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 21 Mar | 81.4 | Nicolò Maria Lercari † | Cardinal, Titular Archbishop of Nazianzus |
| 29 Mar | 56.0 | Francisco Javier Pérez Baroja y Muro † | Bishop of Teruel, Spain |
| 1 Apr | | Bartolomé Camacho Madueño † | Bishop of Tortosa, Spain |
| 7 Apr | 71.2 | Juan Francisco Guillén † | Archbishop of Burgos, Spain |
| 29 Apr | 55.8 | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 30 Apr | 82.8 | Johann Anton Reichsfreiherr von Freyberg-Hopferau † | Bishop of Eichstätt, Germany |
| 17 May | 74.6 | Miguel Valejo Berlanga, O.SS.T. † | Bishop of Guadix, Spain |
| 29 May | 74.4 | Léonor III de Goyon de Matignon † | Bishop of Coutances, France |
| 3 Jun | 73.4 | Giulio Sabbatini, Sch. P. † | Bishop of Modena, Italy |
| 4 Jun | 77.1 | Nicolas-Joseph de Paris † | Bishop of Orléans, France |
| 26 Aug | 58.9 | Emmanuel-Henri-Timoléon de Cossé-Brissac † | Bishop of Condom, France |
| 4 Sep | | Christopher Butler † | Archbishop of Cashel (-Emly), Ireland |
| 6 Sep | 74.0 | Joseph-Dominique d'Inguimbert † | Bishop of Carpentras, France |
| 10 Sep | 75.1 | Johann Wilhelm Reichsfreiherr von Twickel † | Auxiliary Bishop of Hildesheim, Germany |
| 11 Oct | 67.5 | Pedro Fernández Velarde † | Bishop of Segorbe, Spain |
| 17 Nov | 65.6 | Luiz de Santa Teresa da Cruz Salgado de Castilho, O.C.D. † | Bishop of Olinda, Brazil |
| 18 Nov | 66.9 | François de Serret de Gaujac † | Bishop of Aire, France |
| 5 Dec | 63.0 | Ermest Amadeus Thomas Reichsgraf von Attems † | Bishop of Ljubljana, Slovenia |