| Date | Age | Bishop | Title |
| unknown | 82.3 | Osvaldo Casali † | Auxiliary Bishop of Camerino, Italy |
| 8 Jan | 83.0 | Tomasz Teofil Kuliński † | Bishop of Kielce, Poland |
| 10 Jan | 85.1 | Jean-Joseph Fenouil, M.E.P. † | Vicar Apostolic of Yünnan, China |
| 10 Jan | 59.0 | George Thomas Montgomery † | Coadjutor Archbishop of San Francisco, California, USA |
| 23 Jan | 55.0 | Anatole-Joseph Toulotte, M. Afr. † | Vicar Apostolic Emeritus of Sahara and Sudan |
| 2 Feb | 52.7 | William Stang † | Bishop of Fall River, Massachusetts, USA |
| 6 Feb | 75.7 | François Hautin † | Archbishop of Chambéry, France |
| 7 Feb | 67.2 | Martin Josef Říha † | Bishop of České Budĕjovice {Budweis}, Czechia |
| 14 Feb | 71.6 | Manuel Santander y Frutos † | Bishop Emeritus of San Cristobal de la Habana, Cuba |
| 20 Feb | 81.0 | Antonio Maria Cesareo † | Titular Bishop of Helenopolis in Bithynia |
| 20 Feb | 75.0 | Pierre-Eugène Rougerie † | Bishop of Pamiers, France |
| 21 Feb | 73.3 | Edward Fitzgerald † | Bishop of Little Rock, Arkansas, USA |
| 22 Feb | 73.2 | Amerigo Cialente † | Auxiliary Bishop of L’Aquila, Italy |
| 25 Feb | 73.4 | John Keys O’Doherty † | Bishop of Derry, Ireland |
| 25 Feb | 69.3 | Santiago de los Santos Garza Zambrano † | Archbishop of Linares o Nueva León, Nuevo León, México |
| 27 Feb | 59.8 | Bernardino Caldajoli † | Bishop of Grosseto, Italy |
| 2 Mar | 88.8 | Paul Hubert Perny, M.E.P. † | Apostolic Administrator Emeritus of Kuiceu (Kweichow), China |
| 11 Mar | 84.0 | José Tomás Mazarrasa y Rivas † | Apostolic Administrator of Ciudad Rodrigo, Spain |
| 12 Mar | 55.8 | Etienne-Marie Bonaventure, M.S.F.S. † | Bishop of Nagpur, India |
| 13 Mar | 67.7 | Emile-Christophe Enard † | Archbishop of Auch, France |
| 22 Mar | 71.1 | Manuel Santiago Medina y Bañon † | Bishop of Trujillo, Peru |
| 29 Mar | 75.0 | Luigi Macchi † | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 21 Apr | 66.9 | Domenico Rinaldi † | Bishop of Montefiascone, Italy |
| 7 May | 64.7 | Bernhard Beider-Linden, S.J. † | Bishop of Poona, India |
| 9 May | 91.2 | Paolo de Sanctis † | Bishop Emeritus of Poggio Mirteto, Italy |
| 17 May | 62.6 | Patrick Vincent Flood, O.P. † | Archbishop of Port of Spain, Trinidad and Tobago, Antilles |
| 18 May | 80.5 | Charles-Honoré Laborde † | Bishop of Blois, France |
| 22 May | 86.1 | Žigmund Bubics † | Bishop of Košice, Slovakia |
| 25 May | 63.0 | Manuel Tovar y Chamorro † | Archbishop of Lima, Peru |
| 4 Jun | 67.7 | Gerlando Maria Genuardi † | Bishop of Acireale, Italy |
| 24 Jul | 71.9 | Maximiliano Fernández del Rincón y Soto Dávila † | Bishop of Guadix, Spain |
| 27 Jul | 62.5 | Frantisek Borgia Krásl † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 5 Aug | 67.1 | Gustave-Adolphe de Pélacot † | Archbishop of Chambéry, France |
| 10 Aug | 56.1 | Domenico Svampa † | Cardinal, Archbishop of Bologna, Italy |
| 21 Aug | 81.0 | Augustin Planque, S.M.A. † | Superior General of Society of African Missions |
| 24 Aug | 69.3 | Emidio Taliani † | Cardinal, Cardinal-Priest of San Bernardo alle Terme |
| 27 Aug | 80.4 | Luigi M. Cannavò (Canavo), O.F.M. Cap. † | Bishop Emeritus of Crete {Candia}, Greece |
| 28 Aug | 59.1 | Pietro Terroni † | Bishop of Borgo San Donnino, Italy |
| 30 Aug | 85.3 | John Joseph Williams † | Archbishop of Boston, Massachusetts, USA |
| 13 Sep | 85.6 | Johann Nepomucenus Zobl † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 15 Sep | 70.3 | Antoni Andrzejewicz † | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 15 Sep | 71.0 | Arthur Grange Riddell † | Bishop of Northampton, England, Great Britain |
| 19 Sep | 71.5 | Ferdinand Jan Nepomucký Kalous † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 20 Sep | 58.1 | Emmanuel-François Canappe † | Bishop of Guadeloupe et Basse-Terre, Antilles |
| 20 Sep | 46.0 | Frederick Zadok Rooker † | Bishop of Jaro o Santa Elisabetta, Philippines |
| 27 Sep | 60.6 | Manuel María Cerero y Soler † | Bishop of Segorbe, Spain |
| 4 Oct | 73.9 | Joseph Debs † | Archbishop of Beirut {Bairut} (Maronite), Lebanon |
| 15 Oct | 82.9 | Andreas Steinhuber, S.J. † | Cardinal, Prefect of the Congregation of the Index |
| 13 Nov | 73.5 | Giuseppe Consenti, C.Ss.R. † | Bishop of Lucera, Italy |
| 5 Dec | 73.5 | Alexander Dessewffy † | Bishop of Csanád, Hungary |
| 12 Dec | 78.9 | Francesco Magani † | Bishop of Parma (-Fontevivo), Italy |
| 21 Dec | 71.3 | Paolo Rosario Farrugia † | Auxiliary Bishop of Malta |
| 29 Dec | 92.5 | Daniel Murphy † | Archbishop of Hobart, Australia |