| Date | Age | Bishop | Title |
| unknown | 85.0 | Ubaldo Baldassini, B. † | Bishop of Jesi, Italy |
| unknown | 79.0 | Pietro Silvio di Gennaro † | Bishop of Venosa, Italy |
| unknown | | Michel El-Khazen † | Titular Bishop of Caesarea in Palaestina |
| unknown | 54.0 | Franciscus Aloysius Junosza Gzowski † | Titular Bishop of Thespiae |
| unknown | 73.0 | Henri-Gaston de Lévis-Leran † | Bishop of Pamiers, France |
| 1 Jan | 68.8 | Giuseppe Maria Pilo, O. Carm. † | Bishop of Ales e Terralba, Italy |
| 22 Jan | 70.6 | Antoni Wacław Betański † | Bishop of Przemyśl, Poland |
| 29 Jan | 54.9 | Manuel de Vasconcellos Pereira † | Bishop of Lamego, Portugal |
| 3 Feb | 64.1 | Josip Galjuf (Gallyuff) † | Bishop of Zagreb (Agram), Croatia |
| 4 Feb | 80.1 | Lazzaro Uladagni † | Archbishop of Bar (Antivari), Montenegro |
| 8 Feb | 57.1 | Gian Antioco Serra Urru (Sisra) † | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy |
| 8 Mar | 54.5 | Antonio Paramo Somoza † | Bishop-Elect of Lugo, Spain |
| 18 Mar | 77.5 | Fabio Palumbo, C.R. † | Bishop of Conversano, Italy |
| 24 Mar | 82.3 | Giovanni Battista Giacobini (Jacobini) † | Bishop of Veroli, Italy |
| 29 Mar | 52.2 | Andrea Benedetto Ganassoni, O.S.B. † | Bishop of Feltre, Italy |
| 7 Apr | 69.5 | Benedetto Pucilli † | Bishop of Terracina, Priverno e Sezze, Italy |
| 9 Apr | 67.2 | Ferdinand Christoph von Waldburg-Zeil † | Bishop of Chiemsee, Germany |
| 11 Apr | 73.3 | Fernando de Sousa e Silva † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 20 May | 78.0 | Giuseppe Tomaso de Rossi † | Bishop of Alessandria (della Paglia), Italy |
| 30 Jun | 78.4 | Giovanni Hieronymo Gradenigo, C.R. † | Archbishop of Udine, Italy |
| 6 Jul | | Andrew Donnellan † | Bishop of Clonfert, Ireland |
| 12 Jul | 42.0 | Angelinus (Josephus Jacobus) Gaislmayr, O.C.D. † | Titular Bishop of Anthedon |
| 31 Jul | 75.5 | Antonio Branciforte Colonna † | Cardinal, Bishop of Agrigento (Girgenti), Italy |
| 8 Aug | 59.7 | Paolo Maurizio Caissotti, C.O. † | Bishop of Asti, Italy |
| 8 Aug | 65.4 | Angel Molinos, O.P. † | Bishop of Zamora, Spain |
| 20 Aug | 82.8 | Niccola Maria Calcagnini † | Bishop of Cittŕ Ducale, Italy |
| 7 Sep | 69.5 | Giuseppe Maria Carafa † | Bishop of Mileto, Italy |
| 9 Sep | 47.7 | Josephus Cariati † | Archbishop of Cranganore (Angamala), India |
| 24 Sep | 64.9 | Francesco D’Afflitto † | Bishop of Lettere (-Gragnano), Italy |
| 25 Sep | 71.7 | Giacinto Sardi † | Bishop of Aquino e Pontecorvo, Italy |
| Oct | 55.4 | Joannes Antonius Miocevich † | Bishop of Trogir (Traů), Croatia |
| 15 Oct | 74.9 | Bernardo Antonio Calderón Lázaro † | Bishop of Osma, Spain |
| 19 Oct | 90.8 | Nicholas Sweetman † | Bishop of Ferns, Ireland |
| 29 Oct | | John Carpenter † | Archbishop of Dublin, Ireland |
| 30 Oct | 66.1 | Matthias Franz von Chorinsky † | Bishop of Brno, Czech Republic |
| 18 Nov | 58.0 | André Teixeira Palha † | Bishop of Faro {Algarve}, Portugal |
| Dec | 62.9 | Mateo Joaquin Rubio de Arevalo † | Bishop of Cebu, Philippines |
| 2 Dec | | James O’Fallon † | Bishop of Elphin, Ireland |