| Date | Age | Bishop | Title |
| unknown | 74.1 | Domenico Antonio Biretta † | Bishop of Acerra, Italy |
| unknown | 51.5 | Filippo Mazzetti † | Bishop of Fossano, Italy |
| unknown | 65.0 | Andrés Núñez Monteagudo † | Auxiliary Bishop of Toledo, Spain |
| 4 Jan | 64.3 | Bonaventura Fabozzi, O.F.M. † | Bishop of Potenza, Italy |
| 14 Jan | 73.5 | Onésimo Salamanca Zaldívar † | Archbishop of Burgos, Spain |
| 16 Jan | 84.5 | Giovanni Andrea Tria † | Bishop Emeritus of Larino, Italy |
| 20 Jan | 57.1 | Filippo Niccolò Spinelli † | Bishop of Aversa, Italy |
| 23 Jan | 89.2 | Álvaro Eugenio de Mendoza Caamaño y Sotomayor † | Cardinal, Patriarch of West Indies, Spain |
| 28 Jan | 54.4 | Diego del Corro † | Archbishop of Lima, Peru |
| Feb | 51.6 | Bartolomeo Coccoli † | Bishop of Montepeloso, Italy |
| 5 Feb | 55.7 | José Antonio Basurco y Herrera † | Bishop of Buenos Aires, Argentina |
| 6 Feb | 60.5 | Clemens August Maria von Bayern † | Archbishop of Köln {Cologne}, Germany |
| 24 Feb | 61.3 | Caietanus de Carli † | Bishop of Rieti, Italy |
| 1 Mar | 63.3 | Carlos Antonio Riomol 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 | 81.0 | José Bolaños Calzado, O.F.M. † | Titular Archbishop of Nisibis |
| 22 May | 48.1 | 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 |
| 6 Jun | 49.8 | Giovanni Filippo Antonio San Martino † | Bishop of Asti, Italy |
| 13 Jun | 69.1 | Giuseppe Agostino Orsi, O.P. † | Cardinal, Cardinal-Priest of San Sisto |
| 22 Jun | 91.3 | Raniero d’Elci † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 5 Jul | 78.6 | Domenico Silvio Passionei † | Cardinal, Librarian of the Vatican Library |
| 20 Jul | 64.9 | Bartolomeo Mollo † | Bishop of San Severo, Italy |
| 21 Jul | 73.0 | Vincentius Cossovich † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 24 Jul | 54.8 | Luigi Gualterio † | Cardinal, Cardinal-Priest of San Giovanni a Porta Latina |
| 3 Aug | 72.7 | 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 | 75.7 | Simone Gritti † | Bishop Emeritus of Acquapendente, Italy |
| 1 Oct | 63.8 | Antun Becić † | Bishop of Hvar (Lesina), Croatia |
| 1 Oct | 67.8 | Charles-Guy Le Borgne de Kermorvan † | Bishop of Tréguier, France |
| 10 Oct | 52.9 | Francisco Javier Arriaza † | Bishop of Santander, Spain |
| 12 Oct | 80.3 | Wilhlemus Delvaux † | Bishop of Ypres (Ieper), Belgium |
| 31 Oct | 66.2 | Giuseppe Palma † | Archbishop of Lucca, Italy |
| 6 Nov | 55.6 | Alfonso Fernández Pantoja † | Bishop of León, Spain |
| 20 Nov | 71.9 | François de Beaumont d’Autichamp † | Bishop of Tulle, France |
| 26 Nov | 73.9 | Silvestro Stanà (Staria) † | Bishop of Minori, Italy |
| Dec | | Maximos II Hakim † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 13 Dec | 63.2 | Petrus Gioeni † | Titular Bishop of Assuras |
| 21 Dec | 78.3 | Antonio Guidi di Bagno † | Bishop of Mantova, Italy |