| Date | Age | Bishop | Title |
| unknown | | Antonio Maria Borghi † | Bishop of Narni, Italy |
| unknown | 85.8 | Francesco Chiarchiaro † | Titular Bishop of Lampsacus |
| unknown | 67.0 | Jean-Joseph Delplancq † | Bishop of Tournai {Doornik}, Belgium |
| unknown | 48.0 | James Doyle, O.S.A. † | Bishop of Kildare and Leighlin, Ireland |
| unknown | 83.3 | Camillo Cataneo de' Marchesi di Monte Scaglioso † | Archbishop of Acerenza-Matera, Italy |
| 12 Jan | 80.5 | Giovanni-Antonio Niccola (Nicola) † | Bishop of Alba (Pompea), Italy |
| 9 Feb | 62.7 | Charles de Douhet d'Auzers † | Bishop of Nevers, France |
| 24 Feb | 75.0 | Pietro Caprano † | Cardinal, Prefect of the Congregation of the Index |
| 30 Mar | 71.8 | Esprit-Marie-Joseph Florens, M.E.P. † | Vicar Apostolic of Siam, Thailand |
| 18 Apr | 57.3 | Oliver O'Kelly † | Archbishop of Tuam, Ireland |
| 24 Apr | 65.0 | Dionisio Castaño Bermúdez † | Bishop of Gerona, Spain |
| 15 May | 69.5 | Benedetto Cappelletti † | Cardinal, Bishop of Rieti, Italy |
| 20 May | 70.4 | Tomás La Iglesia España † | Bishop of Zamora, Spain |
| 20 May | 83.4 | Peter Waldron † | Bishop of Killala, Ireland |
| 11 Jun | | João Inácio da Fonseca Manso † | Bishop of Leiria, Portugal |
| 8 Jul | 82.8 | Antonio Frosini † | Cardinal, Prefect Emeritus of the Congregation for Indulgences and Relics |
| 19 Jul | 64.4 | Antonio Pallotta † | Cardinal, Prefect of the Apostolic Signatura |
| 28 Jul | | Michelangelo Lupoli † | Archbishop of Salerno (-Acerno), Italy |
| 29 Jul | 86.4 | Fortunato Maria Pinchetti † | Bishop of Amelia, Italy |
| 4 Aug | | Ignace Haggiuri † | Bishop of Foreign Diocese |
| 19 Aug | 71.0 | Luis García Guillén, O. de M. † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 19 Aug | 63.3 | Johann Jakob Humann † | Bishop of Mainz, Germany |
| 21 Sep | 81.0 | Louis Joseph d'Humières † | Archbishop of Avignon, France |
| 11 Oct | 67.9 | Jakob Frint † | Bishop of Sankt Pölten, Austria |
| 19 Oct | 64.0 | James Whitfield † | Archbishop of Baltimore, Maryland, USA |
| 29 Oct | 65.6 | Giacinto Placido Zurla, O.S.B. † | Cardinal, Prefect of the Congregation for Studies |
| 11 Nov | 84.3 | Félix Amat Palau y Pont † | Titular Archbishop of Palmyra |
| 3 Dec | 84.2 | Giuseppe Andrea Albani † | Cardinal, Librarian of the Vatican Library |
| 25 Dec | 76.4 | Carlo Giuseppe Maria Sappa de Milanes † | Bishop of Acqui, Italy |
| 29 Dec | 84.0 | Nicolas-Marie Fournier de la Contamine † | Bishop of Montpellier, France |