| Date | Age | Bishop | Title |
| unknown | 80.9 | Cristóvão de Almeida Soares † | Bishop of Pinhel, Portugal |
| unknown | 71.7 | Marcantonio Lombardi † | Bishop of Crema, Italy |
| unknown | 79.1 | Giulio Matteo Natali † | Bishop of Tivoli, Italy |
| unknown | 64.6 | Domenico Russo † | Bishop of Monopoli, Italy |
| unknown | 68.6 | Francesco Antonio Scoppa † | Bishop of Ostuni, Italy |
| unknown | 71.4 | Giuseppe de Vignoli † | Bishop of Forli, Italy |
| 3 Feb | 66.9 | Juan Ignacio de la Rocha † | Bishop of Michoacán, Michoacán, México |
| 7 Feb | 82.3 | Michele Casati † | Bishop of Mondovi, Italy |
| 21 Feb | 74.0 | Gioacchino Martínez † | Bishop of Avellino-Frigento, Italy |
| 23 Feb | 83.1 | Giovanni Battista Lattanzi † | Bishop of Città di Castello, Italy |
| 6 Apr | 73.5 | Matteo Gennaro Testa Piccolomini † | Archbishop Emeritus of Reggio Calabria, Italy |
| 16 Apr | 72.9 | Francisco Alejandro Bocanegra Jivaja † | Archbishop of Santiago de Compostela, Spain |
| 5 May | 60.8 | Bernardino Giraud † | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 5 May | 73.2 | Joseph-Nicolas de Montenach † | Bishop of Lausanne, Switzerland |
| 14 May | 73.7 | João Evangelista Pereira da Silva, T.O.R. † | Bishop of Belém do Pará, Brazil |
| 21 May | | João Marcelino dos Santos Homem Aparício † | Bishop of Angra, Portugal |
| 2 Jun | 71.1 | Alessandro Galletti † | Bishop of Volterra, Italy |
| 12 Jun | 62.5 | Bernardo Velarde Velarde † | Archbishop of Zaragoza, Spain |
| 18 Jun | 68.9 | Antonio Manuel Hartalejo López, O. de M. † | Bishop of Vic, Spain |
| 18 Jun | 60.6 | Marcantonio Marcolini † | Cardinal, Titular Archbishop of Thessalonica |
| 12 Jul | 57.9 | Cayetano Adsor Paredes † | Patriarch of West Indies, Antilles |
| 13 Jul | 77.3 | José de Jesus Maria Caetano Carvalho, O.P. † | Bishop of Castelo Branco, Portugal |
| 24 Jul | 62.6 | Jacques de Grasse † | Bishop of Angers, France |
| 3 Aug | 73.5 | Giovanni Ottavio Bufalini † | Cardinal, Bishop of Ancona e Numana, Italy |
| 5 Aug | 72.1 | Juan Manuel Merino Lumbreras † | Bishop of Astorga, Spain |
| 14 Sep | 69.4 | Serafino Filangeri, O.S.B. † | Archbishop of Napoli {Naples}, Italy |
| 14 Sep | | Marco Aurelio Petruccelli † | Bishop of Nardò, Italy |
| 24 Sep | 85.4 | Jean-Antoine de Tinseau † | Bishop of Nevers, France |
| 11 Nov | 55.5 | Friedrich Ludwig Franz Reichsfreiherr von Wangen zu Geroldseck † | Bishop of Basel, Switzerland |
| 9 Dec | 86.9 | Lodovico Calini † | Cardinal, Bishop of Crema, Italy |
| 25 Dec | 48.7 | Scipione Borghèse † | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 26 Dec | 75.9 | Wilhelm Anton Freiherr von der Asseburg zu Hinnenburg † | Bishop of Paderborn, Germany |