| Date | Age | Bishop | Title |
| unknown | 72.0 | Tomasz Leżeński, O. Cist. † | Bishop of Lutsk (Łuck), Ukraine |
| unknown | 62.0 | Ferenc Szegedy † | Bishop of Eger, Hungary |
| 2 Jan | 55.0 | Pedro a São Agostinho, O.F.M. Obs. † | Auxiliary Bishop of Coimbra, Portugal |
| 4 Jan | 54.7 | Bernardino León de la Rocha † | Bishop of Coria, Spain |
| 9 Jan | 82.7 | Francesco Maria Brancaccio † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 23 Jan | 77.4 | Giambattista Spada † | Cardinal, Cardinal-Priest of San Crisogono |
| 13 Feb | 64.0 | Juan de Sancto Mathía Sáenz de Mañozca y Murillo † | Bishop of Santiago de Guatemala |
| 14 Feb | 75.0 | António de Mendonça † | Archbishop of Lisboa, Portugal |
| 22 Feb | 87.1 | Gregorio Carafa, C.R. † | Archbishop of Salerno, Italy |
| Mar | 73.1 | Jan Gembicki † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 10 Mar | 67.2 | Giovanni Ambrogio Bicuti † | Bishop of Acqui, Italy |
| 10 Mar | 56.1 | Maurizio Piccardi † | Bishop of Sora, Italy |
| 15 Mar | 67.2 | Bonaventura D’Avalos, O.S.A. † | Bishop Emeritus of Nocera de’ Pagani, Italy |
| 12 Apr | | Callisto Puccinelli, O.S.M. † | Archbishop of Urbino, Italy |
| 19 Apr | 65.5 | Johann Hartmann von Rosenbach † | Bishop of Würzburg, Germany |
| 19 Apr | 50.1 | Henri Van Halmaele † | Bishop of Ypres (Ieper), Belgium |
| 20 Apr | | Clemente Ascanio Sandri-Trotti † | Bishop of Fossano, Italy |
| 27 Apr | 71.3 | William Burgat † | Archbishop of Cashel, Ireland |
| 29 Apr | 52.4 | Louis de Forbin d’Oppède † | Bishop of Toulon, France |
| 29 Apr | 56.6 | Matthäus Ferdinand Sobek von Bilenberg, O.S.B. † | Archbishop of Praha {Prague}, Czechia |
| 29 Apr | | Francisco Verdín y Molina † | Bishop of Michoacán, México |
| 3 May | 37.3 | Marc Mallier du Houssay † | Bishop of Tarbes, France |
| 6 May | | Louis de Bernage † | Bishop of Grasse, France |
| 18 May | 86.1 | Francisco Diego Alarcón y Covarrubias † | Bishop of Córdoba, Spain |
| 22 May | 75.3 | Denis de La Barde † | Bishop of Saint-Brieuc, France |
| 22 May | 60.3 | Francesco Ravizza † | Apostolic Nuncio |
| 25 May | 61.4 | Alessandro Pallavicini, O.S.B. † | Bishop of Borgo San Donnino, Italy |
| 3 Jun | 57.6 | Lothar Friedrich von Metternich-Burscheid † | Archbishop of Mainz, Germany |
| 17 Jun | 77.6 | Sebastiano Sorrentino † | Bishop of Troia, Italy |
| Jul | | Anastazy Rudzicki, O.F.M. † | Bishop of Bacău, Romania |
| 15 Jul | | Polykarp Wilhelm von Kuenburg † | Bishop of Gurk, Austria |
| 1 Aug | | Patrick Duffy, O.F.M. Ref. † | Bishop of Clogher, Ireland |
| 19 Aug | 65.6 | José Barberá † | Auxiliary Bishop of Valencia, Spain |
| 25 Aug | | Pierre Marion † | Bishop of Gap, France |
| 27 Aug | 81.1 | Persio Caracci † | Bishop Emeritus of Larino, Italy |
| 9 Sep | 86.6 | André du Saussay † | Bishop of Toul, France |
| 27 Sep | 45.0 | Pietro Isimbardi, O. Carm. † | Bishop of Cremona, Italy |
| 30 Sep | 63.7 | Giovanni Paolo Garzoni † | Bishop of Trogir (Traù), Croatia |
| Oct | | Domenico Caracciolo † | Bishop of Alife, Italy |
| 13 Oct | 70.7 | Maxmilián Rudolf Schleinitz † | Bishop of Litoměřice, Czechia |
| 23 Oct | 62.8 | Francisco Lara † | Archbishop of Zaragoza, Spain |
| 10 Nov | 57.9 | Leopoldo de’ Medici † | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 11 Nov | 62.8 | Peter Franz Longinus von Kieferberg † | Prefect of Lausitz (Lusatia), Germany |
| 15 Nov | 72.8 | Giacinto Cordella † | Bishop of Recanati e Loreto, Italy |
| 21 Nov | 60.8 | Cesare Maria Antonio Rasponi † | Cardinal, Cardinal-Priest of San Giovanni a Porta Latina |
| 21 Dec | 65.9 | Peter Walenburch † | Auxiliary Bishop of Köln {Cologne}, Germany |