| Date | Age | Bishop | Title |
|---|
| unknown | 56.8 | Isidro de Arevalo † | Bishop of Nueva Caceres, Philippines |
| unknown | 65.0 | Pietro Antonio Corsignani † | Bishop of Sulmona, Italy |
| unknown | | Giovanni Maria de Laurentiis † | Bishop of Capri, Italy |
| unknown | | Domenico de Liguori † | Bishop of Cava, Italy |
| unknown | 51.7 | Andrés Licht Barrera † | Bishop Emeritus of Guadix, Spain |
| unknown | 70.0 | James O'Gallagher † | Bishop of Kildare and Leighlin, Ireland |
| unknown | | François-Joseph Robuste † | Auxiliary Bishop of Reims, France |
| unknown | | Juan B. Tabarga † | Bishop of Panamá |
| unknown | | Lorenzo Tartagni † | Bishop of Veroli, Italy |
| 1 Jan | 51.0 | Pierre de Beaupoil de Saint-Aulaire † | Bishop of Tarbes, France |
| 14 Jan | 72.8 | Juan Leandro Gómez de Parada Valdez y Mendoza † | Bishop of Guadalajara, Jalisco, México |
| Feb | | Thomas MacDermot † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 1 Feb | 60.5 | Mondilio (Mundillus) Orsini, C.O. † | Archbishop Emeritus of Capua, Italy |
| 2 Feb | | Pedro Pardo de Figueroa † | Archbishop of Guatemala |
| 10 Feb | 82.1 | Jean d'Yse (d'Ize) de Saléon † | Archbishop of Vienne, France |
| 17 Feb | 71.1 | Charles-Guillaume de Maupeou † | Bishop of Lombez, France |
| 6 Mar | 64.8 | Johann Christoph von Crass † | Auxiliary Bishop of Paderborn, Germany |
| 15 Mar | 67.2 | Jean-Louis Berton des Balbes de Crillon † | Archbishop of Narbonne, France |
| 12 Apr | 74.9 | Sigismund Graf Kollonitsch † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 15 Apr | | Inácio de Santa Teresa, O.S.A. † | Bishop of Faro {Algarve}, Portugal |
| 12 May | 62.8 | Cayetano Gil Taboada † | Archbishop of Santiago de Compostela, Spain |
| 19 Aug | 68.9 | François-Honoré de Beauvillier de Saint-Aignan † | Bishop Emeritus of Beauvais, France |
| 31 Aug | | Louis-Baltasar Phélypeaux d'Herbault † | Bishop of Riez, France |
| 1 Sep | 56.3 | José Larumbe Mallí † | Bishop of Tui, Spain |
| 8 Sep | 48.7 | André-Jean-Baptiste-Dominique de Castellane † | Bishop of Glandèves, France |
| 12 Sep | 76.5 | Felipe de los Tueros Huerta † | Archbishop of Granada, Spain |
| 18 Oct | 68.5 | Antonio Alejandro Sarmiento Sotomayor, O.S.B. † | Bishop of Mondoñedo, Spain |
| 21 Oct | 69.2 | Annibale Albani † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 9 Nov | 53.1 | Michal Ignacy Kunicki † | Auxiliary Bishop of Kraków, Poland |
| 12 Nov | 70.9 | Juan de Arechederra, O.P. † | Bishop-Elect of Nueva Segovia, Philippines |
| 7 Dec | | Jean-Baptiste-Antoine de Vaccon † | Bishop of Apt, France |
| 15 Dec | 65.0 | Guilherme de São José Antonio de Aranha † | Bishop Emeritus of Belém do Pará, Brazil |
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