| Date | Age | Bishop | Title |
| unknown | | Gregoire Abdul-Messih † | Archbishop of Homs (-Hama-Nabk) (Syrian), Syria |
| unknown | 63.1 | Manuel Isidoro Pérez Sánchez (Súarez) † | Bishop Emeritus of Antequera, Oaxaca, México |
| unknown | 82.9 | Isidoro Spanò † | Auxiliary Bishop of Mazara del Vallo, Italy |
| 3 Jan | 83.2 | Patrício da Silva, O.E.S.A. † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 11 Jan | 77.4 | Alexander MacDonell † | Bishop of Kingston, Ontario, Canada |
| 12 Jan | 67.8 | Carlo Emmanuelle Sardagna de Hohenstein † | Bishop Emeritus of Cremona, Italy |
| 13 Jan | 70.0 | Kajetan von Kowalski † | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 17 Feb | 78.4 | Elek Jordánszky † | Bishop of Knin (Tinin), Croatia |
| 21 Feb | 90.8 | Fortuné-Charles de Mazenod † | Bishop Emeritus of Marseille, France |
| 22 Feb | 65.1 | Felice Greco † | Bishop of San Marco e Bisignano, Italy |
| 8 Mar | 82.1 | Giuseppe Segna † | Bishop of Marsi, Italy |
| 9 Mar | 58.2 | Antonio Raimondo Tore † | Archbishop of Cagliari, Italy |
| 21 Mar | 82.0 | Adam Friedrich von Groß zu Trockau † | Bishop of Würzburg, Germany |
| 21 Mar | 67.9 | Michele Amatore Lobetti † | Bishop of Asti, Italy |
| 22 Mar | 71.6 | Georg Mayer † | Bishop of Gurk, Austria |
| 3 Apr | 77.5 | Marie-Joseph-Antoine-Laurent de la Rivoire de La Tourette † | Bishop of Valence, France |
| 9 Apr | 66.0 | Johann Wilhelm Bausch † | Bishop of Limburg, Germany |
| 18 Apr | 86.8 | Gabriello Maria Gravina, O.S.B. † | Prelate of Santa Lucia del Mela, Italy |
| 19 Apr | 62.8 | Jean-Jacques Lartigue, P.S.S. † | Bishop of Montréal, Québec, Canada |
| 20 Apr | 81.6 | Bartolomeo Goglia † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 1 May | 80.7 | Jean-Marie-Dominique de Poulpiquet de Brescanvel † | Bishop of Quimper, France |
| 13 May | 48.1 | Jose Epigmenio Villanueva y Gomez de Eguiarreta † | Bishop-Elect of Antequera, Oaxaca, México |
| 11 Jun | 79.9 | Antonio Begni † | Bishop of Montefeltro, Italy |
| 7 Jul | 87.3 | Gregório José Viegas, T.O.R. † | Former Bishop-Elect of Olinda, Brazil |
| 12 Jul | 81.2 | Andrea Portanova † | Bishop of Lucera, Italy |
| 19 Jul | 63.4 | José Vicente de Unda † | Bishop of Mérida, Venezuela |
| 22 Jul | 80.9 | Ercole Dandini † | Cardinal, Prefect of the Roman Curia - Other |
| 31 Jul | 46.1 | Jean-Louis Taberd, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 5 Aug | 64.9 | Vincenzo Macioti † | Bishop of Ferentino, Italy |
| 6 Aug | | Wincenty Siedlecki † | Auxiliary Bishop Emeritus of Chełm and Bełz (Ukrainian), Poland |
| 18 Aug | 80.6 | Peter McLaughlin † | Bishop of Derry, Ireland |
| 26 Aug | 73.5 | Valery Henryk Kamionko † | Auxiliary Bishop of Lviv, Ukraine |
| 3 Sep | 69.0 | José Uraga Pérez † | Bishop of Guadix, Spain |
| 5 Sep | 71.3 | Anselmo Basilici † | Bishop of Nepi e Sutri, Italy |
| 6 Sep | 68.4 | Franz Ferdinand (Johann Franz) Fritz, O.S.B. † | Bishop of Hildesheim, Germany |
| 22 Sep | | Grégoire II Pierre VI Djeranian † | Patriarch of Cilicia (Armenian), Lebanon |
| 9 Oct | 80.3 | Antonio Ramazzini, O.C.D. † | Vicar Apostolic of Bombay, India |
| 23 Oct | 76.9 | Santos Gómez Marañón, O.S.A. † | Bishop of Cebu, Philippines |
| 24 Oct | 67.2 | Giovanni Maria Bua † | Archbishop of Oristano, Italy |
| 31 Oct | 67.4 | Ignacio Ribes Mayor † | Archbishop of Burgos, Spain |
| 1 Nov | 79.4 | José Antonio Azpeitia y Sáenz de Santamaria † | Bishop of Cartagena (en España) |
| 13 Nov | 72.2 | Dámaso Egidio Iglesias y Lago † | Bishop of Orense, Spain |
| 18 Nov | 73.6 | Giovanni Francesco Falzacappa † | Cardinal, Prefect of the Apostolic Signatura |
| 2 Dec | 68.2 | Raffaello de Ghantuz Cubbe † | Bishop of Livorno, Italy |
| 3 Dec | 76.1 | Juan Antonio Lillo, O.F.M. Disc. † | Bishop of Nueva Caceres, Philippines |
| 13 Dec | 59.4 | Giuseppe-Maria Amorelli † | Bishop of Siracusa, Italy |
| 14 Dec | 46.1 | Agostino-Maria de Mari † | Bishop of Savona e Noli, Italy |
| 25 Dec | 71.4 | Antonio Savorin † | Bishop of Chioggia, Italy |