| Date | Age | Bishop | Title |
| unknown | 71.0 | Baltasar Tomás Carbonell y Sánchez, O.P. † | Bishop of Sigüenza, Spain |
| unknown | 60.0 | Juan de los Ríos y Berriz † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | 59.2 | Giuseppe Musotti † | Bishop of Città di Castello, Italy |
| unknown | | Patrick Tyrrell (Tyrell), O.F.M. † | Bishop of Meath, Ireland |
| unknown | 67.6 | Marcantonio Vicentini † | Bishop Emeritus of Foligno, Italy |
| unknown | 77.0 | Georgius Vladagni † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| unknown | 64.0 | Luke Wadding † | Bishop of Ferns, Ireland |
| 31 Jan | 79.8 | Mathieu Thoreau † | Bishop of Dol, France |
| 8 Feb | | Vladislaus Silnicki † | Auxiliary Bishop of Vilnius, Lithuania |
| 10 Feb | 66.1 | Jerónimo Velasco, O.S.B. † | Bishop of Alghero, Italy |
| 24 Feb | 68.1 | Filippo Alferio Ossorio † | Bishop of Fondi (Fundi), Italy |
| 28 Feb | 68.1 | Ulrich de Mont † | Bishop of Chur, Switzerland |
| 9 Apr | | José Jiménez de Samaniego, O.F.M. † | Bishop of Plasencia, Spain |
| 13 Apr | 65.0 | Carolus Salvatori † | Bishop of Assisi, Italy |
| 23 Apr | 77.3 | Josephus Eusanio, O.S.A. † | Titular Bishop of Porphyreon |
| May | 59.2 | Dominicus Maria Marchese, O.P. † | Bishop of Pozzuoli, Italy |
| 3 May | 75.3 | Francesco Tansi † | Bishop of Nicastro, Italy |
| 27 May | 69.4 | Ramon Sureda † | Titular Bishop of Oropus |
| Jun | | Patrick Russell † | Archbishop of Dublin, Ireland |
| 8 Jun | 94.6 | Henri Arnauld † | Bishop of Angers, France |
| 17 Jun | 73.5 | Juan Asensio Barrios, O. de M. † | Bishop of Jaén, Spain |
| 17 Jun | 50.1 | Franciscus Antonius von und zu Losenstein † | Coadjutor Bishop of Olomouc, Czech Republic |
| 30 Jul | | Alfonso Henríquez de Santo Tomás, O.P. † | Bishop of Plasencia, Spain |
| Aug | 69.5 | Agnelo Alfieri, O.F.M. † | Bishop of Giovinazzo, Italy |
| 26 Aug | 57.7 | Francesco Antonio Carafa, C.R. † | Bishop of Catania, Italy |
| 6 Sep | 61.9 | Matteo Fazio, O.P. † | Bishop of Patti, Italy |
| 24 Sep | 65.7 | Clemente Vieira, O.S.A. † | Bishop of Angra, Portugal |
| Oct | 54.8 | Giuseppe Ponzi † | Bishop of Umbriatico (Umbriaticum), Italy |
| Oct | 62.8 | Agostino Premoli † | Bishop of Concordia (Sagittaria), Italy |
| 1 Oct | 76.8 | Diego de Aguilar, O.P. † | Bishop of Cebu, Philippines |
| 5 Oct | 66.8 | Alonso Bernardo de Ríos y Guzmán, O.SS.T. † | Archbishop of Granada, Spain |
| 15 Oct | 82.8 | Johannes Maximus Stainer von Pleinfelden † | Auxiliary Bishop of Passau, Germany |
| Nov | | Giovanni Giacomo Palamolla † | Bishop of Martirano (Martoranum), Italy |
| 10 Nov | 43.2 | Carlo Olantes, O.P. † | Bishop of Stagno (Ston), Croatia |
| 26 Nov | 58.9 | Bartolome Gonzalez y Poveda † | Archbishop of La Plata o Charcas, Bolivia |
| 12 Dec | 77.1 | Veríssimo de Lencastre † | Cardinal, Archbishop Emeritus of Braga, Portugal |