| Date | Age | Bishop | Title |
|---|
| unknown | 65.0 | Francisco Araújo, O.P. † | Bishop Emeritus of Segovia, Spain |
| unknown | 74.0 | Vencent Cavaselice † | Bishop of Carinola (Calina), Italy |
| unknown | 60.0 | Sebastiano Dossena, B. † | Bishop of Alife, Italy |
| unknown | | Pietro Gaudenzi † | Bishop of Arbe (Rab), Croatia |
| unknown | | Biagio Mazzella, O.P. † | Bishop of Sant’Agata de’ Goti, Italy |
| unknown | | Cipriano Medina, O.P. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| unknown | | Juan Pastor, O.M. † | Bishop of Crotone (Cotrone), Italy |
| unknown | | Partenij Petro Petrovyc Rotosynskyj, O.S.B.M. † | Bishop of Mukachevo (Munkács) (Ruthenian), Ukraine |
| unknown | 77.0 | Prospero Spínola † | Bishop of Luni e Sarzana, Italy |
| unknown | 57.0 | Gabriel Vázquez Saavedra y Rojas † | Bishop of Coria, Spain |
| 2 Jan | 58.0 | Vincenzo Saporiti † | Bishop of Nebbio, France |
| 26 Jan | 80.2 | Carlo Maranta † | Bishop of Tropea, Italy |
| 26 Jan | 14.4 | Karl Joseph von Österreich † | Bishop-Elect of Passau, Germany |
| 26 Jan | 67.4 | Filippo Visconti, O.S.A. † | Bishop of Catanzaro, Italy |
| Feb | | Olivier Darcy, O.P. † | Bishop of Dromore, Ireland |
| 3 Feb | 71.2 | Johannes Markus von Aldringen † | Bishop of Seckau, Austria |
| 13 Feb | | Donato Pascasio, O.S.B. † | Bishop of Trevico, Italy |
| 21 Feb | 63.1 | Fernando Andrade Castro † | Bishop of Jaén, Spain |
| 22 Feb | 64.1 | Prokip Chmielowski (Chmeljovskyj), O.S.B.M. † | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| 9 Mar | 64.1 | Giovanni Battista Barsotti † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 15 Mar | 63.2 | Louis d’Estaing † | Bishop of Clermont, France |
| Apr | 69.1 | Pedro Carrillo Acuña y Bureba † | Archbishop of Santiago de Compostela, Spain |
| 3 Apr | 60.0 | Otto Friedrich von Buchheim (Puchheim) † | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| 5 Apr | | Edmund O’Dwyer † | Bishop of Limerick, Ireland |
| 7 Apr | | Giacomo Carafa † | Archbishop of Rossano, Italy |
| 14 Apr | 74.0 | Raphaël de Bologne † | Bishop of Digne, France |
| 17 Apr | | Francisco Suárez de Villegas, O. Carm. † | Vicar Apostolic |
| 20 Apr | 53.3 | Jacques Montrouge † | Bishop of Saint-Flour, France |
| 27 Apr | 61.3 | Carlo Filippo Mei, B. † | Bishop of Bisignano, Italy |
| 3 May | 53.5 | Ludwik Stempkowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 31 May | 79.4 | Celestino Bruni (Bruno), O.S.A. † | Bishop of Boiano, Italy |
| 2 Jun | 50.1 | Henri de Lorraine-Guise † | Former Archbishop-Elect of Reims, France |
| 1 Jul | 66.4 | Louis-Doni d’Attichy, O.M. † | Bishop of Autun, France |
| 2 Jul | 59.5 | Giovanni Battista Penna, O.S.A. † | Bishop of Bisceglie, Italy |
| 8 Jul | | Giovanni Pellejo, O.F.M. Conv. † | Bishop of Grosseto, Italy |
| 13 Jul | 55.3 | Diego de Tejada y la Guardia † | Archbishop of Burgos, Spain |
| Aug | 67.5 | Francesco Manola † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 8 Aug | 71.8 | Francesco Maria Spinola, C.R. † | Bishop of Savona, Italy |
| 16 Aug | 55.6 | Ascanio de Gasparis † | Bishop of Marsi, Italy |
| 10 Sep | 85.6 | Giovanni Battista Scanaroli (Scannaroli) † | Titular Bishop of Sidon |
| 25 Sep | | Francesco Perotti † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 10 Oct | 43.7 | Rodolfo Dulcino † | Bishop of Squillace, Italy |
| 10 Nov | | Jan Karol Czolański † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 10 Nov | 67.8 | Jerónimo Salas Malo de Esplugas † | Bishop of Albarracin, Spain |
| Dec | | Anselmo Dandini † | Bishop of Cervia, Italy |
| Dec | 62.9 | Francesco Gisulfo e Osorio † | Bishop of Agrigento (Girgenti), Italy |
| 7 Dec | 76.9 | Tommaso Carafa † | Bishop of Capaccio, Italy |
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