| Date | Age | Bishop | Title |
| 2 Jan | 76.1 | Francesco Maria Miceli † | Bishop of Lipari, Italy |
| 5 Jan | 63.6 | Andreas Jakob von Dietrichstein † | Archbishop of Salzburg, Austria |
| 20 Jan | 68.2 | Severino Antonio Missini † | Bishop of Borgo San Donnino, Italy |
| 27 Jan | 72.0 | Gaetano Costa, O.F.M. † | Bishop of Crotone (Cotrone), Italy |
| 29 Jan | 52.1 | Lawrence Richardson, O.P. † | Bishop of Kilmore, Ireland |
| 3 Feb | 63.1 | Protacio Cabezas † | Bishop of Cebu, Philippines |
| 16 Feb | 89.4 | Tommaso Ruffo † | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 17 Feb | 46.5 | Carlo Rosati † | Bishop of Alife, Italy |
| 22 Feb | 65.7 | Antonio Maria Ruffo † | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 13 Mar | 72.1 | Antonio Saverio Gentili † | Cardinal, Prefect of the Congregation of the Council |
| 19 Apr | 73.6 | Pedro Copóns Copóns † | Archbishop of Tarragona, Spain |
| 11 May | 75.7 | Jean-Joseph Languet de Gergy † | Archbishop of Sens, France |
| 25 May | 61.8 | Gaetano de Arco † | Bishop of Nusco, Italy |
| 3 Jun | 58.2 | Johann Philipp Anton von Franckenstein † | Bishop of Bamberg, Germany |
| 6 Jun | 64.1 | Innocentius (Joannes Antonius) Stratman, O.C.D. † | Titular Bishop of Aureliopolis in Asia |
| 26 Jun | 72.8 | Jan-Baptist de Castillion † | Bishop of Brugge {Bruges}, Belgium |
| 13 Jul | 54.5 | Vincenzo Maria Diedo † | Bishop of Torcello (Turris), Italy |
| 19 Jul | 78.2 | Fortunato Palumbo, O.S.B. † | Bishop of Trivento, Italy |
| 26 Jul | 71.7 | Celestino Galiano, O.S.B. † | Archbishop Emeritus of Taranto, Italy |
| 26 Jul | 75.6 | Carlo Filippo Incontri † | Bishop of Arezzo, Italy |
| 27 Aug | 74.6 | Carlo Felice Sanmartino † | Bishop of Mondovi, Italy |
| 9 Sep | 51.8 | Leopold Heinrich Wilhelm von Schorror † | Vicar Apostolic Emeritus of Upper and Lower Saxony (Hanover), Germany |
| 10 Sep | 63.6 | Franz Joachim Schmid von Altenstadt † | Auxiliary Bishop of Regensburg, Germany |
| 11 Sep | 59.6 | Johann Joseph von Wratislaw von Mitrowitz † | Bishop of Hradec Králové, Czech Republic |
| 21 Sep | 75.7 | François du Verdier † | Bishop of Angoulême, France |
| 7 Oct | 84.5 | Carlo Bossi † | Bishop of Vigevano, Italy |
| 7 Oct | 82.2 | François de Madot † | Bishop of Chalons-sur-Saône, France |
| 30 Oct | 55.8 | Felipe Martín Ovejero † | Bishop of Oviedo, Spain |
| 31 Oct | 62.9 | José Alfonso Meléndez, O.F.M. † | Archbishop of Palermo, Italy |
| 5 Nov | 66.2 | João do Nascimento (Marques de Fonseca), O.F.M. † | Bishop of Funchal, Portugal |
| 22 Dec | 76.1 | Martín Delgado Cenarro y Lapiedra † | Bishop of Valladolid, Spain |
| 28 Dec | 73.0 | Scipion-Jérôme Bégon † | Bishop of Toul, France |