| Date | Age | Bishop | Title |
|---|
| unknown | 66.0 | Diego Aduarte, O.P. † | Bishop of Nueva Segovia, Philippines |
| unknown | | Tommaso Brandolino, O.P. † | Bishop of Minori, Italy |
| unknown | | Henryk Firlej † | Bishop of Poznań, Poland |
| unknown | 50.0 | Luis Jiménez, O. de M. † | Bishop of Ugento, Italy |
| unknown | | Giulio Masi † | Bishop of Monopoli, Italy |
| unknown | 63.0 | Gerolamo Mezzamico † | Bishop of Trevico, Italy |
| unknown | 55.0 | Bernardino Piccoli † | Bishop of Strongoli, Italy |
| Feb | | Pierre Habert † | Bishop of Cahors, France |
| Feb | 46.1 | Arcasio Ricci † | Bishop of Gravina (di Puglia), Italy |
| 10 Feb | 59.1 | Charles Bobba de Montferrat † | Bishop of Saint-Jean-de-Maurienne, France |
| 12 Feb | | Henri Boyvin de Péricard † | Coadjutor Bishop of Avranches, France |
| 2 Mar | | Louis de Claret † | Bishop of Saint-Papoul, France |
| 6 Mar | 66.2 | Antonio Arrigoni, O.F.M. † | Bishop of Ripatransone, Italy |
| 25 Mar | | Claude du Vergier † | Bishop of Lavaur, France |
| 9 Apr | 52.3 | John Roche † | Bishop of Ferns, Ireland |
| 14 Apr | 62.3 | Tiberio Muti † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| May | | Scipion de Villeneuve-Thorenc † | Bishop of Grasse, France |
| 19 May | | Pedro Cifuentes Loarte † | Bishop of Avila, Spain |
| Jul | 65.5 | Nicola Bellolatto † | Bishop of Bisceglie, Italy |
| Jul | 65.5 | Antonius Lambardi † | Titular Archbishop of Nazareth |
| 13 Jul | | Alfonso Mesía de Tovar † | Bishop of Astorga, Spain |
| 20 Jul | 75.0 | Francisco Verdugo Cabrera † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 3 Aug | 76.6 | Gonzalo de Salazar, O.S.A. † | Bishop of Yucatán (Mérida), México |
| 4 Aug | | Lopo de Sequeira Pereira † | Bishop of Guarda, Portugal |
| 20 Aug | | Ferdinand de Rye † | Archbishop of Besançon, France |
| 12 Sep | 51.4 | Giovanni Pietro Volpi † | Bishop of Novara, Italy |
| Oct | 63.8 | Sigismondo Gambacorta, C.R.S.A. † | Bishop of Telese o Cerreto Sannita, Italy |
| 2 Oct | | Jorge de Melo † | Bishop of Coimbra, Portugal |
| 15 Oct | | Giovanni Falces, O.S.H. † | Archbishop of Brindisi, Italy |
| 2 Nov | | Giovanni Benini † | Titular Archbishop of Hadrianopolis in Haemimonto |
| 13 Nov | 51.9 | Bartolomeo Frigerio † | Bishop of Venosa, Italy |
| 23 Nov | 66.3 | Franz Seraph von Dietrichstein † | Cardinal, Archbishop of Olomouc (Olmütz), Czech Republic |
| Dec | | Pasquale Grassi † | Bishop of Chioggia, Italy |
| 21 Dec | 58.0 | Antonio Trejo de Sande Paniagua, O.F.M. † | Bishop of Cartagena (en España) |
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