| Date | Age | Event | Bishop | Title | Current Title |
| 1 Dec | 27.2 | Ordained Priest | Thomas Chakiath | Priest of Ernakulam (Syro-Malabar), India | Auxiliary Bishop Emeritus of Ernakulam-Angamaly (Syro-Malabar), India |
|
| Born | Ivan Ćurić | | Auxiliary Bishop of Ðakovo-Osijek, Croatia |
| 29.1 | Ordained Priest | Simon Stock Palathara, C.M.I. † | Priest of Carmelites of Mary Immaculate | Bishop Emeritus of Jagdalpur (Syro-Malabar), India |
| 32.3 | Ordained Priest | Emmanuel Mani Giles Pothanamuzhy, C.M.I. † | Priest of Carmelites of Mary Immaculate | Bishop of Mananthavady (Syro-Malabar), India |
| 2 Dec | 31.3 | Ordained Priest | Abraham Alangimattathil, S.D.B. † | Priest of Salesians of Saint John Bosco | Bishop Emeritus of Kohima, India |
| 27.1 | Ordained Priest | Edwin Colaço † | Priest of Bombay, India | Bishop Emeritus of Aurangabad, India |
| 28.4 | Ordained Priest | Anthony Fernandes † | Priest of Benares-Gorakhpur, India | Bishop Emeritus of Bareilly, India |
| 24.6 | Ordained Priest | Thomas Anthony Vazhapilly | Priest of Chikmagalur, India | Bishop Emeritus of Mysore, India |
| 3 Dec | 34.8 | Ordained Bishop | Leobard D’Souza † | Titular Bishop of Caput Cilla | Archbishop Emeritus of Nagpur, India |
| 57.3 | Ordained Bishop | Lawrence Patrick Moran † | Titular Bishop of Caesarea Philippi | Auxiliary Bishop of Melbourne, Australia |
| 45.8 | Ordained Bishop | Bernard Oguki-Atakpah † | Bishop of Atakpamé, Togo | Bishop Emeritus |
| 39.2 | Ordained Bishop | Bernard Charles Ratsimamotoana, M.S. † | Bishop of Morondava, Madagascar | Bishop Emeritus |
| 50.7 | Ordained Bishop | Marcel Evariste Van Rengen, C.J. † | Bishop of Mweka, Congo (Dem. Rep.) |
| 44.5 | Ordained Bishop | Alberto Zambrano Palacios, O.P. † | Titular Bishop of Casae in Numidia | Bishop Emeritus of Loja, Ecuador |
| 5 Dec |
| Born | Oscar Ngoy wa Mpanga, C.S.Sp. | | Bishop of Kongolo, Congo (Dem. Rep.) |
| 6 Dec | 41.7 | Ordained Bishop | Eurico Dias Nogueira † | Bishop of Vila Cabral, Mozambique | Archbishop Emeritus of Braga, Portugal |
|
| Born | Peter Hka Awng Tu | | Priest of Myitkyina, Myanmar |
|
| Born | Richard Kazadi Kamba | | Bishop of Kolwezi, Congo (Dem. Rep.) |
| 23.6 | Ordained Priest | Wilfredo Dasco Manlapaz | Priest of Caceres (Nueva Caceres), Philippines | Bishop Emeritus of Tagum, Philippines |
| 7 Dec |
| Born | Peter Wu Yishun | | Bishop of Shaowu [Shaowu], China |
| 8 Dec | 52.2 | Appointed | Joseph Francis Cleary † | Auxiliary Bishop of Birmingham, England, Great Britain |
| 52.2 | Appointed | Joseph Francis Cleary † | Titular Bishop of Cresima | Auxiliary Bishop of Birmingham, England, Great Britain |
| 57.4 | Appointed | Michael Foylan † | Bishop of Aberdeen, Scotland, Great Britain |
| 26.5 | Ordained Priest | Iván Antonio Marín López | Priest of Jericó, Colombia | Archbishop Emeritus of Popayán, Colombia |
| 47.5 | Appointed | Francis Alexander Spalding Warden Thomson † | Bishop of Motherwell, Scotland, Great Britain | Bishop Emeritus |
| 9 Dec |
| Born | Damase Zinga Atangana | | Bishop of Kribi, Cameroon |
| 21.1 | Professed | José Alberto Moura, C.S.S. | Member of Congregation of the Sacred Stigmata | Archbishop Emeritus of Montes Claros, Minas Gerais, Brazil |
| 10 Dec |
| Born | Joseph Kallarackal | | Bishop of Jaipur, India |
| 70.3 | Died | Mariano Rossell y Arellano † | Archbishop of Guatemala |
| 65.8 | Died | Antoon van Oorschoot, M. Afr. † | Bishop of Mbeya, Tanzania | Bishop of Mbeya, Tanzania |
| 12 Dec | 55.8 | Succeeded | Mario Casariego y Acevedo, C.R.S. † | Cardinal, Archbishop of Guatemala |
|
| Born | Ronald Gerhardus Wilhelmus Cornelissen | | Bishop of Groningen-Leeuwarden, Netherlands |
| 67.9 | Appointed | Edgar Aristide Maranta, O.F.M. Cap. † | Apostolic Administrator of Zanzibar e Pemba, Tanzania | Archbishop Emeritus of Dar-es-Salaam, Tanzania |
| 33.8 | Ordained Priest | Francis Xavier Mugadzi † | Priest of Gweru, Zimbabwe | Bishop |
| 47.3 | Appointed | Ernest Leo Unterkoefler † | Bishop of Charleston, South Carolina, USA | Bishop Emeritus |
| 13 Dec | 26.7 | Ordained Priest | José Doth de Oliveira † | Priest of Iguatu, Ceara, Brazil | Bishop Emeritus |
|
| Born | Martin Laliberté, P.M.E. | | Bishop of Trois-Rivières, Québec, Canada |
|
| Born | Ildo Augusto dos Santos Lopes Fortes | | Bishop of Mindelo, Cape Verde |
| 47.0 | Ordained Bishop | Giuseppe Marafini † | Bishop of Veroli-Frosinone, Italy |
| 23.4 | Ordained Priest | Eduardo Benes de Sales Rodrigues | Priest of Juiz de Fora, Minas Gerais, Brazil | Archbishop Emeritus of Sorocaba, Sao Paulo, Brazil |
| 42.6 | Ordained Bishop | Jean-Félix-Albert-Marie Vilnet † | Bishop of Saint-Dié, France | Bishop Emeritus of Lille, France |
| 15 Dec |
| Born | Edson Batista de Mello | | Bishop of Cachoeira do Sul, Rio Grande do Sul, Brazil |
| 39.9 | Died | Gabriel Kihimbare † | Auxiliary Bishop-Elect of Kitega, Burundi |
|
| Born | Michael Kalu Ukpong | | Bishop of Umuahia, Nigeria |
| 16 Dec | 25.8 | Ordained Priest | George William Coleman † | Priest of Fall River, Massachusetts, USA | Bishop Emeritus |
| 26.1 | Ordained Priest | Walter James Edyvean † | Priest of Boston, Massachusetts, USA | Auxiliary Bishop Emeritus |
| 25.2 | Ordained Priest | Patrick Joseph Harrington, S.M.A. | Priest of Society of African Missions | Bishop Emeritus of Lodwar, Kenya |
| 76.1 | Died | Alain-Sébastien Le Breton, S.M.M. † | Bishop Emeritus of Tamatave, Madagascar |
| 24.5 | Ordained Priest | William Francis Murphy | Priest of Boston, Massachusetts, USA | Bishop Emeritus of Rockville Centre, New York, USA |
| 19 Dec | 25.5 | Ordained Priest | Joseph Sunday Ajomo † | Priest | Bishop of Lokoja, Nigeria |
| 26.2 | Ordained Priest | Evaristus Thatho Bitsoane † | Priest of Qacha’s Nek, Lesotho | Bishop |
| 31.6 | Ordained Priest | George Francis Daniel | Priest of Pretoria, South Africa | Archbishop Emeritus |
| 25.6 | Ordained Priest | Bali Gali | Priest of Guntur, India | Bishop Emeritus |
| 34.4 | Ordained Priest | Daniel Gil Zorrilla, S.J. † | Priest of Society of Jesus | Bishop Emeritus of Salto, Uruguay |
| 25.6 | Ordained Priest | Theotonius Gomes, C.S.C. | Priest of Congregation of Holy Cross | Auxiliary Bishop Emeritus of Dhaka, Bangladesh |
| 27.0 | Ordained Priest | Anthony Ekezia Ilonu † | Priest of Umuahia, Nigeria | Bishop Emeritus of Okigwe, Nigeria |
| 23.7 | Ordained Priest | Sarhad Yawsip Hermiz Jammo † | Priest | Bishop Emeritus of Saint Peter the Apostle of San Diego (Chaldean), USA |
|
| Born | John Keenan | | Bishop of Paisley, Scotland, Great Britain |
| 28.1 | Ordained Priest | Joseph Khoury † | Priest | Bishop Emeritus of Saint-Maron de Montréal (Maronite), Canada |
| 24.3 | Ordained Priest | Angel Nacorda Lagdameo † | Priest of Lucena, Philippines | Archbishop Emeritus of Jaro, Philippines |
| 26.6 | Ordained Priest | Jorge Enrique Lozano Zafra | Priest of Bucaramanga, Colombia | Bishop Emeritus of Ocaña, Colombia |
| 24.5 | Ordained Priest | Gilles Lussier | Priest of Montréal, Québec, Canada | Bishop Emeritus of Joliette, Québec, Canada |
| 33.5 | Ordained Priest | Lucian Mureşan † | Priest of Maramureş (Romanian), Romania | Cardinal, Major Archbishop of Făgăraş şi Alba Iulia (Romanian), Romania |
| 27.0 | Ordained Priest | Augustinus Jun-ichi Nomura | Priest | Bishop Emeritus of Nagoya, Japan |
| 24.1 | Ordained Priest | Nereo Page Odchimar † | Priest | Bishop Emeritus of Tandag, Philippines |
| 25.2 | Ordained Priest | Sebelio Peralta Alvarez † | Priest of Villarrica, Paraguay | Bishop of San Lorenzo, Paraguay |
|
| Born | Wojciech Polak | | Archbishop of Gniezno, Poland |
| 27.5 | Ordained Priest | Faustino Sainz Muñoz † | Priest of Madrid, Spain | Apostolic Nuncio |
| 24.2 | Ordained Priest | Youssef Ibrahim Sarraf † | Priest of Le Caire {Cairo} (Chaldean), Egypt | Bishop |
| 24.2 | Ordained Priest | José Francisco Ulloa Rojas | Priest of San José de Costa Rica | Bishop Emeritus of Cartago, Costa Rica |
| 26.9 | Ordained Priest | Vital Komenan Yao † | Priest of Bouaké, Côte d’Ivoire | Archbishop of Bouaké, Côte d’Ivoire |
| 20 Dec | 50.6 | Ordained Bishop | Marcel Pierre Marie Chauvin, C.Ss.R. † | Bishop of Fada N’Gourma, Burkina Faso | Bishop Emeritus |
| 25.4 | Ordained Deacon | François-Xavier Jacques Marie Loizeau | Deacon of Luçon, France | Bishop Emeritus of Digne (-Riez-Sisteron), France |
| 25.3 | Ordained Priest | François Paul Marie Maupu | Priest of Orléans, France | Bishop Emeritus of Verdun, France |
| 30.6 | Ordained Priest | Olívio Teodoro Obalhe, O.F.M. † | Priest of Order of Friars Minor | Prelate of Cristalândia, Goias, Brazil |
| 23.1 | Ordained Deacon | Luciano Pacomio | Deacon of Casale Monferrato, Italy | Bishop Emeritus of Mondovi, Italy |
| 27.4 | Ordained Priest | Victor Antonio Tamayo Betancourt | Priest of Barranquilla, Colombia | Auxiliary Bishop Emeritus |
| 31.2 | Ordained Priest | Kidane-Mariam Teklehaimanot † | Priest of Adigrat (Ethiopian), Ethiopia | Bishop Emeritus |
| 21 Dec | 27.5 | Ordained Priest | Michael David Pfeifer, O.M.I. | Priest of Oblates of Mary Immaculate | Bishop Emeritus of San Angelo, Texas, USA |
| 39.1 | Ordained Bishop | Juan Fremiot Torres Oliver † | Bishop of Ponce, Puerto Rico | Bishop Emeritus |
| 22 Dec | 49.8 | Appointed | Pranciškaus Brazys, M.I.C. † | Titular Bishop of Zella |
| 24 Dec |
| Born | Rui Manuel Sousa Valério, S.M.M. | | Patriarch of Lisboa {Lisbon}, Portugal |
| 25 Dec |
| Born | José de Jesús González Hernández, O.F.M. | | Bishop of Chilpancingo-Chilapa, Guerrero, México |
| 26 Dec |
| Born | Sosthène Léopold Bayemi Matjei | | Bishop of Obala, Cameroon |
| 27 Dec | 60.8 | Ordained Bishop | Miguel Ángel Arce Vivas † | Bishop of Ipiales, Colombia | Archbishop Emeritus of Popayán, Colombia |
| 31.2 | Ordained Priest | John Lee Hiong Fun-Yit Yaw | Priest of Jesselton, Malaysia | Archbishop Emeritus of Kota Kinabalu, Malaysia |
| 26.4 | Ordained Priest | José María Pinheiro | Priest of São Paulo, Brazil | Bishop Emeritus of Bragança Paulista, Sao Paulo, Brazil |
| 28 Dec |
| Born | Antoine Aoukar, O.A.M. | | Curial Bishop of Antiochia {Antioch} (Maronite), Lebanon |
| 67.7 | Died | Benedikt (Johannes) Reetz, O.S.B. † | Abbot of Order of Saint Benedict |
| 29 Dec |
| Born | Thomas Jessayyan Netto | | Archbishop of Trivandrum, India |
| 69.7 | Died | Alexandros Scandar † | Bishop of Assiut {Lycopolis} (Coptic), Egypt |
| 30 Dec | 28.9 | Ordained Priest | Longinus Atundo † | Priest | Bishop of Bungoma, Kenya |
| 51.3 | Appointed | Frederick William Freking † | Bishop of La Crosse, Wisconsin, USA | Bishop Emeritus |