| Date | Age | Bishop | Title |
| unknown | 51.5 | Filippo Mazzetti † | Bishop of Fossano, Italy |
| 4 Jan | 64.3 | Bonaventura (Francis Antonio) Fabozzi, O.F.M. Obs. † | Bishop of Potenza, Italy |
| 14 Jan | 73.5 | Onésimo Salamanca Zaldívar † | Archbishop of Burgos, Spain |
| 16 Jan | 84.4 | Giovanni Andrea Tria † | Bishop Emeritus of Larino, Italy |
| 20 Jan | 57.1 | Filippo Niccolò Spinelli † | Bishop of Aversa, Italy |
| 23 Jan | 89.1 | Álvaro Eugenio de Mendoza Caamaño y Sotomayor † | Cardinal, Patriarch of West Indies, Spain |
| 28 Jan | 54.3 | Diego del Corro † | Archbishop of Lima, Peru |
| Feb | 51.5 | Bartolomeo Coccoli † | Bishop of Montepeloso, Italy |
| 5 Feb | 55.6 | José Antonio Basurco y Herrera † | Bishop of Buenos Aires, Argentina |
| 6 Feb | 60.4 | Clemens August Maria von Bayern † | Archbishop of Köln {Cologne}, Germany |
| 22 Feb | 80.0 | Casimiro Rossi Reyna, O.F.M. Obs. † | Titular Bishop of Capsus |
| 24 Feb | 61.2 | Gaetano de Carli † | Bishop of Rieti, Italy |
| 1 Mar | 63.3 | Carlos Antonio Riomol y Quiroga † | Bishop of Mondoñedo, Spain |
| 11 Mar | 76.1 | Girolamo de Bardi † | Cardinal, Cardinal-Deacon of Santa Maria degli Angeli |
| 25 Mar | 61.2 | Antonio Falangola † | Bishop of Caserta, Italy |
| 7 Apr | 80.9 | José (de Bolaños) Calzado, O.F.M. Disc. † | Titular Archbishop of Nisibis |
| 16 Apr | 74.3 | Domenico Antonio Berretti † | Bishop of Acerra, Italy |
| 22 May | 48.0 | Edmond Bennetat, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 27 May | 55.4 | Gennaro Perrelli † | Bishop of Penne e Atri, Italy |
| 7 Jun | 49.8 | Giovanni Filippo Antonio San Martino † | Bishop of Asti, Italy |
| 13 Jun | 69.0 | Giuseppe Agostino Orsi, O.P. † | Cardinal, Cardinal-Priest of San Sisto |
| 22 Jun | 91.2 | Raniero d’Elci † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 1 Jul | | Giovanni Battista Maoletti, O.F.M. Ref. † | Vicar Apostolic of Chansi and Chensi, China |
| 5 Jul | 78.5 | Domenico Silvio Passionei † | Cardinal, Librarian of the Vatican Library |
| 11 Jul | 65.5 | Andrés Núñez Monteagudo † | Auxiliary Bishop of Toledo, Spain |
| 20 Jul | 64.9 | Bartolomeo Mollo † | Bishop of San Severo, Italy |
| 21 Jul | 72.9 | Vincent Cossovich † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 24 Jul | 54.7 | Luigi Gualterio † | Cardinal, Cardinal-Priest of San Giovanni a Porta Latina |
| 3 Aug | 72.6 | Johann Friedrich Adolf von Hörde zu Schönholthausen † | Vicar Apostolic of Nordic Missions, Germany |
| 9 Aug | 78.5 | Fortunato Tamburini, O.S.B. † | Cardinal, Cardinal-Priest of San Callisto |
| 30 Aug | 81.1 | Joseph Dominikus Franz Kilian von Lamberg † | Cardinal, Bishop of Passau, Germany |
| 31 Aug | 81.7 | Nicola Terzago † | Bishop of Narni, Italy |
| Sep | 73.7 | Antonio Manerba (Malerba) † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 16 Sep | 74.7 | Simone Gritti † | Bishop Emeritus of Acquapendente, Italy |
| 30 Sep | 66.7 | Charles-Guy Le Borgne de Kermorvan † | Bishop of Tréguier, France |
| 1 Oct | 63.7 | Antun Becić † | Bishop of Hvar (Lesina), Croatia |
| 12 Oct | 80.2 | Wilhlemus Delvaux † | Bishop of Ypres (Ieper), Belgium |
| 18 Oct | 52.9 | Francisco Javier Arriaza † | Bishop of Santander, Spain |
| 31 Oct | 66.1 | Giuseppe Palma † | Archbishop of Lucca, Italy |
| 6 Nov | 55.6 | Alfonso Fernández Pantoja † | Bishop of León, Spain |
| 15 Nov | 72.8 | Maximos II Hakim † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 20 Nov | 71.8 | François de Beaumont d’Autichamp † | Bishop of Tulle, France |
| 26 Nov | 73.9 | Silvestro Stanà (Staria) † | Bishop of Minori, Italy |
| 13 Dec | 63.1 | Pietro Gioeni † | Auxiliary Bishop of Agrigento (Girgenti), Italy |
| 21 Dec | 78.3 | Antonio Guidi di Bagno † | Bishop of Mantova, Italy |