| Date | Age | Bishop | Title |
| unknown | 66.0 | Andreas Matusseck † | Bishop of Knin (Tinin), Croatia |
| unknown | 78.0 | Juan Queipo de Llano y Valdés † | Archbishop of La Plata o Charcas, Bolivia |
| unknown | 46.0 | Joseph Saliba-Marouf (de Cruce) † | Patriarch of Babylon {Babilonia} (Chaldean), Iraq |
| 1 Jan | 83.2 | Gianfrancesco Negroni † | Cardinal, Bishop Emeritus of Faenza, Italy |
| 1 Jan | 63.3 | St. Giuseppe Maria Tomasi di Lampedusa, C.R. † | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| 23 Jan | 70.3 | Domenico Maria della Ciaja, O.P. † | Bishop of Sovana (Soana), Italy |
| Feb | 70.0 | Miguel Antonio de Benavides y Piedrola † | Bishop of Cartagena, Colombia |
| 2 Feb | 75.0 | Francisco de San José Pedro Mesía y Portocarrero, O.F.M. † | Bishop of Málaga, Spain |
| 4 Feb | 64.8 | Giuseppe Maria Bondola, O.F.M. Conv. † | Bishop of Satriano e Campagna, Italy |
| 13 Feb | 82.3 | Michele Antonio Vibò † | Archbishop of Torino {Turin}, Italy |
| 21 Feb | 77.1 | Charles-Antoine de la Garde de Chambonas † | Bishop of Viviers (Aps), France |
| 22 Feb | 47.1 | Stefan Wierzbowski † | Auxiliary Bishop of Warmia (Ermland), Poland |
| 13 Mar | 79.9 | Pierre-Jean-François Percin de Montgaillard † | Bishop of Saint-Pons-de-Thomières, France |
| 17 Mar | 36.5 | Johann Leopold von Gudenus † | Auxiliary Bishop of Worms, Germany |
| 24 Mar | 81.4 | Toussaint de Forbin de Janson † | Cardinal, Bishop of Beauvais, France |
| 5 Apr | 72.8 | Otto Wilhelm von Bronckhorst zu Gronsfeld, S.J. † | Auxiliary Bishop of Osnabrück, Germany |
| 7 Apr | 60.7 | Pier Paolo Mastrilli † | Bishop of Mottola (Motula), Italy |
| 8 Apr | 71.8 | Leonardo Marsili † | Archbishop of Siena, Italy |
| 20 Apr | 70.8 | Ambrogio Croce, O.S.B. † | Bishop of Bobbio, Italy |
| 21 Apr | 80.5 | Paolo Naldini, O.E.S.A. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 13 May | 62.3 | Meletio Tipaldi † | Archbishop of Philadelphia, Turkey |
| 23 Jun | 52.7 | Matthäus Joseph Ignaz Vitzki † | Prefect of Lausitz (Lusatia), Germany |
| 25 Jun | 69.4 | Tomaso Giustiniani, C.R.M. † | Bishop of Nebbio, France |
| 5 Jul | 50.8 | Domenico Antonio Gagliano, C.R. † | Bishop of Lettere (-Gragnano), Italy |
| 6 Jul | | Agostinho da Anunciação, Ord. D.N.J.C. † | Archbishop of Goa, India |
| 24 Jul | 72.8 | Ettore Algaria † | Bishop of Patti, Italy |
| 2 Aug | 58.5 | Arthus de Lionne, M.E.P. † | Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China |
| 7 Aug | 83.8 | Andrea Deodati, O.S.B. † | Archbishop of Rossano, Italy |
| 10 Aug | 69.6 | Giovanni Battista Visconti Aicardi, B. † | Bishop of Novara, Italy |
| 19 Aug | | Athanasie Anghel Popa † | Titular Bishop |
| 26 Aug | 45.6 | Charles-François de Montmorency-Laval † | Bishop of Ypres (Ieper), Belgium |
| 4 Sep | 63.6 | James Fagan † | Bishop of Meath, Ireland |
| 19 Sep | 82.7 | Louis Aube de Roquemartine † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 22 Sep | 53.1 | Jurij Havryjil (Jerzy) Vynnyc’kyj (Winnicki), O.S.B.M. † | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
| 23 Sep | 87.2 | Victor-Augustin Méliand (Melrand) † | Bishop Emeritus of Alet, France |
| 27 Sep | 60.3 | Pedro de Lencastre, O. Cist. † | Bishop of Elvas, Portugal |
| 6 Oct | 70.7 | Armand de Montmorin de Saint-Hérem † | Archbishop of Vienne, France |
| 14 Oct | 64.9 | Michele Carlo Visdomini Cortigiani † | Bishop of Pistoia e Prato, Italy |
| 31 Oct | 89.8 | James Lynch † | Archbishop of Tuam, Ireland |
| Nov | 69.8 | Antonio Manso, O.M. † | Bishop of Nicotera, Italy |
| 8 Nov | 59.2 | Didacus Álvares † | Archbishop Emeritus of Cranganore (Angamala), India |
| 8 Nov | 65.8 | Gregorio Civatelli † | Bishop of Scardona (Skradin), Croatia |
| Dec | | Ludovicus de Gayoso, O. Cist. † | Bishop of Santa Marta, Colombia |
| 6 Dec | 60.5 | Jan Mikołaj Zgierski † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 10 Dec | 69.9 | Juan Víctores de Velasco, O.S.B. † | Bishop of Trujillo, Peru |
| 24 Dec | 63.3 | Camillo Caravita † | Bishop of Vieste, Italy |