| Date | Age | Bishop | Title |
|---|
| 6 Jan | 58.0 | Dominic O’Daly, O.P. † | Bishop of Achonry, Ireland |
| 15 Jan | 74.8 | Francesco de Vico † | Titular Bishop of Elusa |
| 29 Jan | 77.4 | Angelo Maria Nappi, O.S.M. † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 1 Feb | 59.8 | Francisco de la Torre Herrera † | Bishop of León, Spain |
| 11 Feb | 56.8 | Adam Augustyn Wessel, O. Cist. † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 2 Mar | 80.0 | Marco Giustiniani † | Bishop of Torcello (Turris), Italy |
| 5 Mar | 57.2 | Giovanni Saverio Lioni † | Bishop of Melfi e Rapolla, Italy |
| 11 Mar | 60.9 | Nicola Negroni † | Titular Archbishop of Sebastea |
| 13 Mar | 76.1 | Thaddeus Francis O’Rourke, O.F.M. Ref. † | Bishop of Killala, Ireland |
| 20 Mar | 89.2 | Jean-Baptiste de Verthamon † | Bishop of Pamiers, France |
| 21 Mar | 76.0 | Giosafatte (Giosafat) Battistelli † | Bishop of Foligno, Italy |
| 26 Mar | 55.9 | Vincent Antoine Alamanni Nasi † | Apostolic Nuncio to Spain |
| 12 Apr | 76.1 | Niccolò Spínola † | Cardinal, Cardinal-Priest of Santi Nereo ed Achilleo |
| 22 Apr | 75.2 | François-Marie Abbati † | Bishop of Carpentras, France |
| 6 May | 80.5 | Francisco Olaso Hipenza, O.S.A. † | Bishop of Lérida, Spain |
| 11 May | 79.2 | Filippo Anastasio † | Archbishop Emeritus of Sorrento, Italy |
| 30 May | 60.7 | Tommaso Giosafat Melina † | Bishop of Bova, Italy |
| Jun | 54.7 | Matteo Odierna, O.S.B. † | Bishop of Valva e Sulmona, Italy |
| Jul | 52.5 | Ercole Michele d’Aragona † | Bishop of Aversa, Italy |
| 25 Jul | 72.3 | José Barnuevo, O.S.B. † | Bishop of Osma, Spain |
| 27 Jul | 51.3 | Paolo Collia, O.M. † | Bishop of Nicotera, Italy |
| 28 Aug | 64.8 | Ludovico Alvares de Figueiredo † | Archbishop of São Salvador da Bahia, Brazil |
| Sep | 74.6 | Angelo Galzerin, O.F.M. Conv. † | Bishop of Ampurias e Civita, Italy |
| 1 Sep | 68.8 | Luc Antonio Colomboni Accoramboni † | Bishop of Montalto (delle Marche), Italy |
| 12 Sep | 57.6 | Giovanni Battista Rondoni † | Bishop of Assisi, Italy |
| 14 Sep | 45.2 | Giovanni Battista Tarugi † | Bishop of Chiusi, Italy |
| 20 Sep | 94.7 | João de Casal, O.S.A. † | Bishop of Macau, China |
| 17 Oct | 57.8 | Pietro Abbondio Battiloro † | Bishop of Alife, Italy |
| 20 Oct | 67.8 | Alessandro Carlo Gaetano Varano † | Bishop of Macerata e Tolentino, Italy |
| 28 Oct | | Antonio Ura † | Prelate of Santa Lucia del Mela, Italy |
| 31 Oct | 54.1 | Innocentius (Leopoldus Ludovicus) Kollonitz, O.C.D. † | Titular Bishop-Elect of Aureliopolis in Asia |
| 1 Dec | 76.0 | Francesco Bataller, O. Carm. † | Bishop of Ugento, Italy |
| 7 Dec | 84.6 | Aleksander Mikołaj Horain † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 21 Dec | 77.1 | Adeodato Summantico, O.E.S.A. † | Bishop of San Severo, Italy |
| 25 Dec | 71.4 | Francisco Dionisio de Villavicencio, O.S.A. † | Bishop of Nicaragua |
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