| Date | Age | Bishop | Title |
| unknown | 46.0 | Carlo Francesco Airoldi † | Titular Archbishop of Edessa in Osrhoëne |
| unknown | 76.0 | Andrea Bogdani (Bogadano) † | Archbishop Emeritus of Skopje, Macedonia |
| unknown | 62.0 | Stefano Ricciardi † | Bishop of Nepi e Sutri, Italy |
| 19 Jan | 54.0 | Álvaro de Săo Boaventura, O.F.M. † | Bishop of Coimbra, Portugal |
| 26 Jan | | Placide-Louis du Chemin, O.S.B. † | Bishop of Baghdad, Iraq |
| 31 Jan | 74.4 | Cesare Facchinetti † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Feb | 52.1 | Francesco de Mandietta (Mendieta), O.SS.T. † | Bishop of Castellammare di Stabia, Italy |
| 5 Feb | 69.1 | Giovanni Battista de Luca † | Cardinal, Cardinal-Priest of San Girolamo dei Croati |
| 10 Feb | 67.2 | Pedro Roche Noguera, O.F.M. † | Bishop of Pamplona, Spain |
| 11 Feb | 72.1 | Ludwig Wilhelm Benz † | Auxiliary Bishop of Eichstätt, Germany |
| 26 Feb | 65.7 | Lorenzo Mayers Caramuel, O. de M. † | Bishop of Gaeta, Italy |
| 28 Feb | 63.2 | Joseph von Rabatta † | Bishop of Ljubljana, Slovenia |
| 18 Mar | 78.2 | Giovanni Granafei † | Archbishop of Bari (-Canosa), Italy |
| 21 Mar | 69.2 | Stefano Agostini † | Cardinal, Cardinal-Priest of San Giovanni a Porta Latina |
| 25 Mar | 65.5 | Michelangelo Brancavalerio † | Bishop of Alatri, Italy |
| Apr | 87.3 | Paolo Pellegrini † | Bishop of Capri, Italy |
| 1 Apr | | Ondrej Sebestyén † | Official of Spiš, Slovakia |
| 24 Apr | 63.8 | Peter Philipp von Dernbach † | Bishop of Bamberg, Germany |
| 13 May | 48.5 | Giannotto Gualterio † | Archbishop of Fermo, Italy |
| 25 May | 70.4 | Giovanni Gambacorta, C.R. † | Bishop of Marsico Nuovo, Italy |
| 29 May | | Giovanni de Andreis † | Bishop of Trogir (Traů), Croatia |
| 13 Jun | | Girolamo Orsaja, O.M. † | Archbishop of Rossano, Italy |
| 26 Jun | 56.7 | Ferdinand von Fürstenberg † | Bishop of Paderborn, Germany |
| 6 Jul | | Filippo Cesarini † | Bishop of Nola, Italy |
| 11 Jul | 57.5 | Franz Emmerich Kaspar von Waldbott von Bassenheim † | Bishop-Elect of Worms, Germany |
| 21 Jul | 69.6 | Francisco Antonio Sarmiento y Luna (Enríquez), O.S.A. † | Bishop of Coria, Spain |
| 24 Jul | 64.6 | Marco Galli (Gallo, Gallio) † | Cardinal, Bishop of Rimini, Italy |
| Aug | 51.6 | Gaspare Mezzomonaco, O.S.B. † | Bishop of Tricarico, Italy |
| 11 Aug | 50.5 | Girolamo Borgia † | Bishop of Tropea, Italy |
| 28 Aug | 53.7 | Johannes Schmitzberger, O.S.B. † | Auxiliary Bishop of Wien, Austria |
| Sep | 59.7 | Raffaele Riario Di Saono, O.S.B. † | Bishop of Montepeloso, Italy |
| 2 Sep | 53.7 | Francisco Pizaro de Orellana † | Bishop of Nueva Segovia, Philippines |
| 6 Sep | 53.7 | Antoine Le Comte † | Bishop of Grasse, France |
| 19 Sep | 68.7 | Domenico Cito, O.P. † | Bishop of Telese o Cerreto Sannita, Italy |
| Oct | 79.8 | Girolamo Carafa, C.R. † | Bishop of Crotone (Cotrone), Italy |
| 7 Oct | 65.8 | Cristoval de Castilla y Zamora † | Archbishop of La Plata o Charcas, Bolivia |
| 18 Oct | 71.6 | Carlo Bonafaccia † | Bishop of Terni, Italy |
| 29 Oct | | Vincenzo Giovannelli, O.F.M. † | Bishop of Pult, Albania |
| Nov | 71.3 | Giacomo Santoro † | Bishop of Bitetto, France |
| 14 Nov | 41.9 | Carlo Riggio † | Bishop of Mazara del Vallo, Italy |
| Dec | 71.9 | Antonio de Morales, O.P. † | Bishop of Concepción, Chile |