| Date | Age | Bishop | Title |
|---|
| unknown | 72.9 | Jacobus Maria de Tarsia, O.M. † | Bishop of Martirano (Martoranum), Italy |
| unknown | 71.0 | Francisco Ramón Herboso y Figueroa, O.P. † | Archbishop of La Plata o Charcas, Bolivia |
| unknown | | Philip O’Reilly † | Bishop of Raphoe, Ireland |
| unknown | 64.6 | Domenico Russo † | Bishop of Monopoli, Italy |
| 5 Jan | 54.3 | Michael Zorawski † | Titular Bishop of Thespiae |
| 2 Feb | 89.0 | Giuseppe Ludovico Andujar, O.P. † | Bishop of Tortona, Italy |
| 3 Feb | 66.9 | Juan Ignacio de la Rocha † | Bishop of Michoacán, México |
| 7 Feb | 82.3 | Michele Casati, C.R. † | Bishop of Mondovi, Italy |
| 11 Feb | 81.0 | Cristóvão de Almeida Soares † | Bishop of Pinhel, Portugal |
| 17 Feb | 86.6 | Nicolaus Angelus Maria Landini, O.S.A. † | Titular Bishop of Porphyreon |
| 21 Feb | 74.0 | Gioacchino Martínez † | Bishop of Avellino e Frigento, Italy |
| 25 Feb | 68.8 | Francesco Antonio Scoppa † | Bishop of Ostuni, Italy |
| 2 Apr | 71.6 | Giuseppe de Vignoli † | Bishop of Forli, 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 |
| 28 Apr | 85.0 | Stanisław Rajmund Jezierski, O.P. † | Bishop of Bacău, Romania |
| 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 | 63.4 | João Marcelino dos Santos Homem Aparício † | Bishop of Angra, Portugal |
| 25 May | 65.9 | Joannes Bapt. Caballini † | Bishop of Senj (-Modruš), Croatia |
| 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, Cardinal-Priest of Sant’Onofrio |
| 7 Jul | 58.6 | Jacobus Antonius Riccardini, O.F.M. Conv. † | Bishop Emeritus of Nicopoli, Bulgaria |
| 12 Jul | 57.9 | Cayetano Adsor Paredes † | Patriarch of West Indies, Spain |
| 13 Jul | 77.3 | José de Jesus Maria Cayetano 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 |
| 28 Aug | 79.7 | Giulio Matteo Natali † | Bishop of Tivoli, Italy |
| 14 Sep | 69.4 | Serafino Filangeri, O.S.B. † | Archbishop of Napoli {Naples}, Italy |
| 14 Sep | 77.1 | Marco Aurelio Petruccelli † | Bishop of Nardò, Italy |
| 24 Sep | 85.4 | Jean-Antoine de Tinseau † | Bishop of Nevers, France |
| 26 Sep | 45.2 | August Franz von Strauß (Strauss) † | Auxiliary Bishop of Mainz, Germany |
| 6 Nov | 79.5 | Felix de Paù † | Bishop of Tropea, Italy |
| 11 Nov | 55.5 | Friedrich Ludwig Franz von Wangen zu Geroldseck † | Bishop of Basel, Switzerland |
| 24 Nov | 75.6 | Stefano Evodio Assemani † | Titular Archbishop of Apamea in Bithynia |
| 25 Nov | 64.2 | Josephus Antonius Barbosa Soares † | Bishop of Viseu, Portugal |
| 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 von der Asseburg zu Hinnenburg † | Bishop of Paderborn, Germany |
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