| Date | Age | Event | Bishop | Title | Current Title |
| 2 Mar |
| Born | Riccardo Luca Guariglia, O.S.B. | | Abbot of Montevergine, Italy |
| 3 Mar |
| Born | Udo Markus Bentz | | Archbishop of Paderborn, Germany |
| 4 Mar | 47.5 | Appointed | Joseph Vincent Sullivan † | Auxiliary Bishop of Kansas City-Saint Joseph, Missouri, USA | Bishop of Baton Rouge, Louisiana, USA |
| 47.5 | Appointed | Joseph Vincent Sullivan † | Titular Bishop of Thagamuta | Bishop of Baton Rouge, Louisiana, USA |
| 48.9 | Died | José de la Soledad Torres y Castañeda † | Bishop of Ciudad Obregón, Sonora, México |
| 5 Mar | 26.9 | Ordained Priest | Miguel José Asurmendi Aramendia, S.D.B. † | Priest of Salesians of Saint John Bosco | Bishop Emeritus of Vitoria, Spain |
|
| Born | Fernando Barbosa dos Santos, C.M. | | Bishop of Palmares, Pernambuco, Brazil |
| 39.7 | Ordained Bishop | Raul Nicolau Gonsalves † | Titular Bishop of Rapidum | Archbishop Emeritus of Goa e Damão, India |
| 52.9 | Ordained Bishop | Julián Mendoza Guerrero † | Bishop of Buga, Colombia |
|
| Born | Emile Mushosho Matabaro | | Bishop of Dungu-Doruma, Congo (Dem. Rep.) |
| 46.8 | Ordained Bishop | Timothée Pirigisha Mukombe † | Bishop of Kasongo, Congo (Dem. Rep.) | Bishop Emeritus |
| 52.4 | Ceased | Bernhard Schilling, S.V.D. † | Apostolic Administrator of Lae, Papua New Guinea | Vicar Apostolic Emeritus of Goroka, Papua New Guinea |
| 47.8 | Ordained Bishop | Hovhannes Tcholakian † | Archbishop of Istanbul (Armenian), Turkey | Archbishop Emeritus |
| 34.9 | Ordained Bishop | Henry Anthony A. van Lieshout, C.M.M. † | Bishop of Lae, Papua New Guinea | Bishop Emeritus |
| 8 Mar | 50.1 | Appointed | Edwin Bernard Broderick † | Auxiliary Bishop of New York, New York, USA | Bishop Emeritus of Albany, New York, USA |
| 50.1 | Appointed | Edwin Bernard Broderick † | Titular Bishop of Thizica | Bishop Emeritus of Albany, New York, USA |
| 10 Mar | 69.0 | Died | Vitale Bonifacio Bertoli, O.F.M. † | Vicar Apostolic of Tripoli, Libya |
| 77.0 | Appointed | Alfredo Cifuentes Gómez † | Titular Archbishop of Thapsus | Archbishop Emeritus of La Serena, Chile |
| 77.0 | Retired | Alfredo Cifuentes Gómez † | Archbishop of La Serena, Chile | Archbishop Emeritus |
|
| Born | Reinaldo Sorto Martínez | | Bishop of El Salvador, Military |
| 11 Mar | 59.2 | Ordained Bishop | John Edward Cohill, S.V.D. † | Bishop of Goroka, Papua New Guinea | Bishop Emeritus |
| 23.4 | Ordained Priest | Angelo Comastri | Priest of Sovana e Pitigliano, Italy | Cardinal, President Emeritus of the Fabric of St. Peter |
| 24.9 | Ordained Priest | Giuseppe Franzelli, M.C.C.I. | Priest of Comboni Missionaries of the Heart of Jesus | Bishop Emeritus of Lira, Uganda |
| 49.4 | Appointed | Michael Joseph Green † | Bishop of Reno, Nevada, USA | Bishop Emeritus |
| 27.9 | Ordained Priest | Manfred Grothe | Priest of Paderborn, Germany | Auxiliary Bishop Emeritus |
| 27.6 | Ordained Priest | Robert Joseph Kurtz, C. R. | Priest of Congregation of the Resurrection of Our Lord Jesus Christ | Bishop Emeritus of Hamilton in Bermuda, Antilles |
| 28.2 | Ordained Priest | Paul Kazuhiro Mori † | Priest of Order of Discalced Carmelites | Auxiliary Bishop Emeritus of Tōkyō, Japan |
| 24.3 | Ordained Priest | George Panikulam | Priest of Trichur (Syro-Malabar), India | Apostolic Nuncio |
| 49.9 | Ordained Bishop | Ramón Salas Valdés, S.J. † | Titular Bishop of Gor | Bishop Emeritus of Arica, Chile |
| 25.0 | Ordained Priest | Ignazio Sanna | Priest of Nuoro, Italy | President Emeritus of the Pontifical Academy of Theology |
| 12 Mar | 74.5 | Appointed | Marcel Roger Buyse, O.F.M. Cap. † | Titular Bishop of Iunca in Byzacena | Bishop Emeritus of Lahore, Pakistan |
| 74.5 | Retired | Marcel Roger Buyse, O.F.M. Cap. † | Bishop of Lahore, Pakistan | Bishop Emeritus |
| 52.0 | Ordained Bishop | Costante Maltoni † | Titular Archbishop of Thugga | Apostolic Nuncio |
| 52.0 | Succeeded | Felicissimus Alphonse Raeymaeckers, O.F.M. Cap. † | Bishop of Lahore, Pakistan | Bishop Emeritus |
| 23.7 | Ordained Priest | Crescenzio Sepe | Priest of Aversa, Italy | Cardinal, Archbishop Emeritus of Napoli {Naples}, Italy |
| 13 Mar | 85.9 | Died | Vincenzo Del Signore † | Bishop of Fano, Italy |
| 23.9 | Ordained Priest | Angelo Fagiani † | Priest of Fermo, Italy | Archbishop Emeritus of Camerino-San Severino Marche, Italy |
| 14 Mar | 60.3 | Appointed | Charles Alexander Grant † | Bishop of Northampton, England, Great Britain | Bishop Emeritus |
| 38.4 | Appointed | José Francisco Moreira dos Santos, O.F.M. Cap. † | Bishop of Carmona e São Salvador, Angola | Bishop Emeritus of Uije, Angola |
|
| Born | Dieudonné Nzapalainga, C.S.Sp. | | Cardinal, Archbishop of Bangui, Central African Republic |
| 15 Mar | 83.1 | Died | George Laurence Craven † | Auxiliary Bishop of Westminster, England, Great Britain |
| 43.8 | Appointed | Chucrallah Harb † | Bishop of Baalbek (Maronite), Lebanon | Bishop Emeritus of Jounieh (Maronite), Lebanon |
| 85.7 | Died | Pedro Francisco Luna Pachón, O.F.M. † | Vicar Apostolic Emeritus of El Beni o Beni, Bolivia |
| 52.2 | Appointed | Joseph Salamé † | Archbishop of Alep [Beroea, Halab] (Maronite), Syria | Archbishop Emeritus |
| 17 Mar |
| Born | Ignacio Damián Medina | | Bishop of Río Gallegos, Argentina |
|
| Born | Wiston Mosquera Moreno | | Bishop of Quibdó, Colombia |
| 18 Mar |
| Born | Cerilo "Allan" Uy Casicas | | Bishop of Marbel, Philippines |
| 49.6 | Ordained Bishop | Agostino Ferrari Toniolo † | Titular Bishop of Tarasa in Byzacena | Permanent Observer Emeritus of the Roman Curia - Other |
|
| Born | Ángel José Macín | | Bishop of Reconquista, Argentina |
| 27.8 | Ordained Priest | Cristoforo Palmieri, C.M. | Priest of Congregation of the Mission | Bishop Emeritus of Rrëshen, Albania |
| 92.0 | Died | Bartolomé Pascual Marroig † | Bishop of Menorca, Spain |
| 38.5 | Ordained Bishop | Jaime Lachica Sin † | Titular Bishop of Obba | Cardinal, Archbishop Emeritus of Manila, Philippines |
| 74.6 | Appointed | Vicente Juan Solís Fernández † | Titular Bishop of Thucca in Numidia | Bishop Emeritus of Alajuela, Costa Rica |
| 74.6 | Retired | Vicente Juan Solís Fernández † | Bishop of Alajuela, Costa Rica | Bishop Emeritus |
| 19 Mar | 23.0 | Ordained Priest | Juliusz Janusz | Priest of Kraków {Cracow}, Poland | Apostolic Nuncio |
| 58.1 | Appointed | Raffaele Pellecchia † | Coadjutor Archbishop of Sorrento, Italy | Archbishop |
| 58.1 | Appointed | Raffaele Pellecchia † | Titular Archbishop of Arpi | Archbishop of Sorrento, Italy |
| 20 Mar |
| Born | Bohdan Dzyurakh, C.Ss.R. | | Apostolic Exarch of Germany and Scandinavia {Deutschland und Skandinavien} (Ukrainian) |
| 63.8 | Appointed | Jan Jaroszewicz † | Bishop of Kielce, Poland |
| 21 Mar |
| Born | Manoel Ferreira dos Santos, Júnior, M.S.C. | | Bishop of Registro, Sao Paulo, Brazil |
|
| Born | Peter Kohlgraf | | Bishop of Mainz, Germany |
| 22 Mar | 77.3 | Appointed | Amerigo (Ambrogio) Galbiati, P.I.M.E. † | Titular Bishop of Sereddeli | Bishop Emeritus of Jalpaiguri, India |
| 77.3 | Retired | Amerigo (Ambrogio) Galbiati, P.I.M.E. † | Bishop of Jalpaiguri, India | Bishop Emeritus |
| 56.3 | Died | Jean Karroum † | Archbishop of Hassaké-Nisibi (Syrian), Syria |
| 23 Mar |
| Born | Sergi Gordo Rodríguez | | Bishop of Tortosa, Spain |
| 64.2 | Appointed | Paul Marie Kinam Ro † | Titular Archbishop of Tituli in Proconsulari | Archbishop Emeritus of Seoul, Korea (South) |
| 64.2 | Resigned | Paul Marie Kinam Ro † | Archbishop of Seoul, Korea (South) | Archbishop Emeritus |
|
| Born | Ronilton Souza de Araújo, S.C.I. | | Bishop of São Raimundo Nonato, Piaui, Brazil |
| 24 Mar | 87.3 | Died | Francesco Bracci † | Cardinal, Secretary Emeritus of the Congregation of the Discipline of the Sacraments |
|
| Born | René Leigue Cesari | | Archbishop of Santa Cruz de la Sierra, Bolivia |
| 25 Mar |
| Born | Patrick S. Eluke | | Auxiliary Bishop of Port Harcourt, Nigeria |
| 54.7 | Appointed | Giovanni Stamati † | Apostolic Administrator of Lungro degli Italo-Albanesi (Italo-Albanese), Italy | Bishop |
| 54.7 | Appointed | Giovanni Stamati † | Titular Bishop of Stephaniacum | Bishop of Lungro degli Italo-Albanesi (Italo-Albanese), Italy |
| 27 Mar | 49.3 | Died | Gerardus Henricus De Vet † | Bishop of Breda, Netherlands |
| 56.9 | Ordained Bishop | Martin Wiesend † | Titular Bishop of Migirpa | Auxiliary Bishop Emeritus of Bamberg, Germany |
| 28 Mar | 24.2 | Professed | Anton Stres, C.M. | Member of Congregation of the Mission | Archbishop Emeritus of Ljubljana, Slovenia |
| 39.2 | Appointed | Jesus Yu Varela † | Auxiliary Bishop of Zamboanga, Philippines | Bishop Emeritus of Sorsogon, Philippines |
| 39.2 | Appointed | Jesus Yu Varela † | Titular Bishop of Tatilti | Bishop Emeritus of Sorsogon, Philippines |
| 29 Mar | 39.9 | Appointed | Hélio Paschoal, C.S.S. † | Bishop of Livramento de Nossa Senhora, Bahia, Brazil | Bishop Emeritus |
| 53.1 | Appointed | Ismael Blas Rolón Silvero, S.D.B. † | Bishop of Caacupé, Paraguay | Archbishop Emeritus of Asunción, Paraguay |
|
| Born | Sebastian Vaniyapurackal | | Archbishop of Kalyan (Syro-Malabar), India |
| 31 Mar | 39.1 | Appointed | Francisco de Guruceaga Iturriza † | Auxiliary Bishop of Ciudad Bolívar, Venezuela | Bishop Emeritus of La Guaira, Venezuela |
| 39.1 | Appointed | Francisco de Guruceaga Iturriza † | Titular Bishop of Villa Regis | Bishop Emeritus of La Guaira, Venezuela |
| 42.1 | Appointed | Marcial Augusto Ramírez Ponce † | Auxiliary Bishop of Barquisimeto, Venezuela | Bishop Emeritus of Venezuela, Military |
| 42.1 | Appointed | Marcial Augusto Ramírez Ponce † | Titular Bishop of Columnata | Bishop Emeritus of Venezuela, Military |