| Date | Age | Bishop | Title |
| unknown | 70.0 | Giovanni Battista Braschi † | Bishop Emeritus of Sarsina, Italy |
| unknown | | Francesco Saverio Fontana † | Bishop of Campagna, Italy |
| unknown | | Francesco Maria Loyero † | Bishop of Nicastro, Italy |
| 1 Jan | 76.5 | Antonio San Felice † | Bishop of Nardò, Italy |
| 3 Mar | 62.5 | José Francisco Bermúdez Mandía † | Bishop of Astorga, Spain |
| 8 Apr | | Tomás Broto Pérez † | Bishop of Solsona, Spain |
| 17 Apr | 80.3 | François de Nettancourt d'Haussonville de Vaubecourt † | Bishop Emeritus of Montauban, France |
| 10 May | 58.6 | Laszlo Adam Erdody † | Bishop of Nitra, Slovakia |
| Jun | | François d'Andigné † | Bishop of Acqs (Dax), France |
| Jun | | Patrick Shee † | Bishop of Ossory, Ireland |
| 26 Jun | 81.0 | Honoré Quiqueran de Beaujeu † | Bishop of Castres, France |
| 7 Jul | 65.7 | José a Santa Maria de Jesus Azevedo Leal, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 23 Jul | 60.5 | Sebastián Lorenzo Pizarro, O.S.Bas. † | Bishop of Puerto Rico (Porto Rico) |
| 2 Aug | 63.1 | João de Mendonça † | Bishop of Guarda, Portugal |
| 19 Sep | 65.1 | Franz Ludwig Reichsfreiherr von Schenk von Castell † | Bishop of Eichstätt, Germany |
| 27 Sep | 68.7 | Jean-Jacques Tessier de Quéralay † | Vicar Apostolic of Siam, Thailand |
| 13 Oct | 67.7 | Francisco de Santiago y Calderón, O. de M. † | Bishop of Antequera, Oaxaca, México |
| 21 Oct | 49.8 | Antonio Claudio Alvarez de Quiñones † | Archbishop of Santafé en Nueva Granada, Colombia |
| 31 Oct | 67.8 | Michel-Celse-Roger de Rabutin de Bussy † | Bishop of Luçon, France |
| 15 Nov | 69.5 | Jules-César Rousseau de La Parisière † | Bishop of Nimes, France |
| 1 Dec | 53.0 | Lucas Cuartas Oviedo † | Bishop of Huesca, Spain |
| 1 Dec | 57.3 | Jean Baptiste Gillis † | Auxiliary Bishop of Liège, Belgium |
| 18 Dec | 82.6 | Joseph-Ignace de Foresta † | Bishop Emeritus of Apt, France |
| 19 Dec | 73.0 | Juan de Arregui, O.F.M. † | Bishop of Buenos Aires, Argentina |
| 21 Dec | 85.0 | François de Caillebot de La Salle † | Bishop Emeritus of Tournai {Doornik}, Belgium |