| Date | Age | Bishop | Title |
|---|
| unknown | 53.6 | Manuel del Rio Flores, O.P. † | Bishop-Elect of Nueva Segovia, Philippines |
| 1 Jan | 56.1 | Ettore Molza † | Bishop of Modena, Italy |
| 2 Jan | 75.0 | Alessandro Zondadari † | Archbishop of Siena, Italy |
| 16 Jan | 63.0 | José Antonio Gutiérrez y Ceballos † | Archbishop of Lima, Peru |
| 17 Jan | 79.0 | Luigi Maria Lucini, O.P. † | Cardinal, Cardinal-Priest of San Sisto |
| 1 Feb | 63.7 | Manuel Isidro Orozco Manrique de Lara † | Archbishop of Santiago de Compostela, Spain |
| 4 Feb | 79.3 | Jean du Dousset (Doucet) † | Bishop of Belley, France |
| 20 Feb | 40.1 | Thomas Stritch † | Coadjutor Bishop of Waterford and Lismore, Ireland |
| 22 Feb | 77.9 | Jean-Louis de La Bourdonnaye † | Bishop of Saint-Pol-de-Léon, France |
| 7 Mar | 75.5 | Domenico Angelo de Pace † | Archbishop of Lanciano, Italy |
| 11 Mar | 56.1 | Eustachius Entreri, O.M. † | Bishop of Nicotera, Italy |
| 18 Mar | 75.2 | Fernando Ignacio Arango Queipo, O.S.A. † | Bishop of Tuy, Spain |
| 23 Mar | 44.2 | Pio Gallizia, B. † | Vicar Apostolic of Ava e Pegù, Myanmar |
| 23 Apr | 70.3 | Antin Tomylovyč † | Bishop of Smoleńsk (Ukrainian), Russian Federation |
| 4 May | 63.3 | Antonio Maria Carafa, C.R. † | Bishop of Avellino e Frigento, Italy |
| 29 May | 47.4 | José Morales Blanco † | Bishop of Palencia, Spain |
| 16 Jun | 63.6 | Claude-Antoine Duding, O.S.Io.Hieros. † | Bishop of Lausanne, Switzerland |
| 24 Jun | 51.7 | Francisco Placido de Béjar, O.S.Bas. † | Bishop-Elect of Puerto Rico (Porto Rico) |
| 3 Jul | 69.7 | Andrés de Paredes y Armendáriz † | Bishop of Quito, Ecuador |
| 24 Jul | 54.0 | Meinwerk Kaup, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| Aug | 70.4 | Domenico Antonio Cirillo † | Bishop of Teano, Italy |
| 26 Aug | 77.6 | Paul-Robert Hertault de Beaufort † | Bishop of Lectoure, France |
| 7 Sep | 58.5 | Alessandro Magno, O. Cist. † | Bishop of San Marco (Argentano), Italy |
| 12 Sep | 74.7 | Vincent Zmajević † | Archbishop of Zadar (Zara), Croatia |
| 7 Oct | 59.3 | Antoine Kacich † | Archbishop of Split (Spalato), Croatia |
| 8 Oct | 87.3 | Giovanni Ghirardi † | Bishop of Montemarano, Italy |
| 29 Oct | 73.2 | Johann Baptist Haus † | Auxiliary Bishop of Basel, Switzerland |
| 2 Nov | 77.5 | José Platas † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 20 Nov | 82.8 | Bartolomeo Massei † | Cardinal, Bishop of Ancona e Numana, Italy |
| 3 Dec | 52.5 | Giovanni Antonio Benzoni † | Bishop of Senj (-Modruš), Croatia |
| 5 Dec | 46.5 | Gabriel Patačić † | Archbishop of Kalocsa, Hungary |
| 6 Dec | 80.3 | Imre Esterházy, O.S.P.P.E. † | Archbishop of Esztergom, Hungary |
| 8 Dec | 69.7 | Dionigi Pieragostini † | Bishop of San Severino (Marche), Italy |
| 12 Dec | 69.6 | Giovanni Andrea Schiano † | Bishop of Massa Lubrense, Italy |
| 13 Dec | 63.9 | Matija Juraj Įtukanović † | Archbishop of Bar (Antivari), Montenegro |
| 17 Dec | 76.9 | Alonso del Pozo y Silva † | Archbishop Emeritus of La Plata o Charcas, Bolivia |
| 23 Dec | 58.8 | François-Hyacinthe de La Fruglaye de Kervers † | Bishop of Tréguier, France |
| 31 Dec | 62.5 | Agostino Rivarola † | Bishop of Albenga, Italy |
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