| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 82.0 | Died | Juan de Arguinao y Gutiérrez, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia | Bishop of Santa Cruz de la Sierra, Bolivia |
| 15.4 | Ordained Priest | Antonio Baistrocchi, O. Carm. † | Priest of Order of Our Lady of Mt. Carmel | Vicar Apostolic of Great Moghul (Mughals), India |
| 18.0 | Professed | Gianfrancesco Bembo, C.R.S. † | Member of Orden de los Padres Somascos | Bishop of Belluno, Italy |
| 70.0 | Died | Gavino Cattayna, O. Carm. † | Archbishop of Sassari, Italy |
| 32.0 | Ordained Priest | Pierre Clément † | Priest | Bishop of Périgueux (Vesuna), France |
| Born | François du Verdier † | Limousin | Bishop of Angoulême, France |
| Appointed | Marcelo Marona, O.P. † | Bishop of Orihuela, Spain |
| 36.0 | Resigned | Michel Phélypeaux de La Vrillière † | Bishop of Uzés, France | Archbishop of Bourges, France |
| Born | John Talbot Stonor † | | Vicar Apostolic of Midland District, England, Great Britain |
| Born | José Gabriel Zapata Illescas † | Toledo | Bishop of Zamora, Spain |
| 1 Jan | 26.6 | Ordained Priest | Edme Bélot, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 2 Jan | | Born | Carlos Bermudez de Castro † | Puebla, México | Archbishop of Manila, Philippines |
| 49.0 | Ordained Bishop | Antonio Savo de’ Panicoli † | Bishop of Termoli, Italy |
| 5 Jan | 74.0 | Died | Lorenzo Astiria, O.S.Io.Hieros. † | Bishop of Malta |
| 10 Jan | 55.4 | Appointed | Juan de Andaya y Sotomayor † | Bishop of Ciudad Rodrigo, Spain |
| 44.0 | Appointed | Orazio Fortunato † | Bishop of Nardò, Italy |
| 49.9 | Appointed | Francesco Maria Neri † | Bishop of Venosa, Italy |
| 15 Jan | | Born | Giovanni Battista Rondoni † | Bologna | Bishop of Assisi, Italy |
| 16 Jan | 43.0 | Ordained Bishop | Luis Manuel Fernández de Portocarrero-Bocanegra y Moscoso-Osorio † | Cardinal, Archbishop of Toledo, Spain |
| 48.0 | Ordained Bishop | François-Placide de Baudry de Piancourt, O.S.B. † | Bishop of Mende, France |
| 17 Jan | 36.0 | Selected | François-Clément de Poudenx † | Bishop of Tarbes, France |
| Born | Antonius Vladagni † | Sciroccu | Bishop of Shkodrë (Scutari), Albania |
| 19 Jan | | Born | Marco Antonio De Marco † | Otranto | Archbishop of Manfredonia, Italy |
| 23 Jan | 66.1 | Ordained Bishop | Gregório dos Anjos, C.S.J. † | Bishop of São Luís do Maranhão, Brazil |
| 68.1 | Died | Diogo de Sousa † | Archbishop of Évora, Portugal |
| 26 Jan | | Died | Tomás de Monterroso, O.P. † | Bishop of Antequera, Oaxaca, México |
| 30 Jan | | Born | Domenico Marzano † | Bova | Bishop of Bova, Italy |
| 31 Jan | 59.1 | Appointed | Jakub Gorecki, O.P. † | Bishop of Bacău, Romania |
| 39.1 | Appointed | Henri-Félix de Tassy † | Bishop of Chalons-sur-Saône, France |
| Feb | 56.1 | Ordained Bishop | Domingos de Gusmão, O.P. † | Bishop of Leiria, Portugal | Archbishop of Évora, Portugal |
| 6 Feb | 59.1 | Ordained Bishop | Jakub Gorecki, O.P. † | Bishop of Bacău, Romania |
| 15 Feb | | Born | Giovanni Bortone † | Via Piediquindici | Titular Bishop of Diospolis in Thracia |
| 18 Feb | 61.1 | Died | Bonifatius Albani, C.R.S. † | Archbishop of Split (Spalato), Croatia |
| 48.2 | Installed | Melchor de Liñán y Cisneros † | Archbishop of Lima, Peru |
| 20 Feb | 37.1 | Ordained Bishop | Jean-Baptiste de Beaumanoir de Lavardin † | Bishop of Rennes, France |
| 27 Feb | 51.8 | Ordained Priest | Franciscus Crisolini † | Priest | Bishop of Sarsina, Italy |
| 28 Feb | 67.0 | Appointed | Giacomo Buoni † | Bishop of Nepi e Sutri, Italy |
| 48.2 | Confirmed | François Letellier † | Bishop of Digne, France |
| 53.1 | Appointed | Antonio de Martini † | Bishop of Sagone (Sagona), France |
| Mar | | Born | Augustyn Wessel, O. Cist. † | Czervien | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 5 Mar | 22.4 | Ordained Priest | Angelo Acerno † | Priest | Bishop of Muro Lucano, Italy |
| 24.2 | Ordained Priest | Giovanni Battista Capilupi † | Priest | Bishop of Polignano (Polinianum), Italy |
| 27.2 | Ordained Priest | Vitus Seipel † | Priest of Praha {Prague}, Czech Republic | Auxiliary Bishop |
| 6 Mar | 58.2 | Ordained Bishop | Juan Herrero Jaraba † | Bishop of Badajoz, Spain | Bishop of Plasencia, Spain |
| 11 Mar | | Died | Francesco Rinuccini (Ruccini) † | Bishop of Pistoia e Prato, Italy |
| 13 Mar | 53.1 | Ordained Bishop | Antonio de Martini † | Bishop of Sagone (Sagona), France |
| 14 Mar | 54.2 | Appointed | Bernardo de Carrasco y Saavedra, O.P. † | Bishop of Santiago de Chile | Bishop of La Paz, Bolivia |
| 51.9 | Appointed | Franciscus Crisolini † | Bishop of Sarsina, Italy |
| 54.6 | Appointed | Antonio del Río Colmenares † | Archbishop of Acerenza e Matera, Italy |
| 40.2 | Confirmed | Michel Poncet de la Rivière † | Bishop of Uzés, France |
| 38.2 | Confirmed | Louis-Alphonse de Valbelle † | Bishop of Alet, France | Bishop of Saint-Omer, France |
| 57.2 | Appointed | Paolo Ximenes † | Archbishop of Trani, Italy |
| 15 Mar | | Born | Dominique-Marie Varlet † | Paris | Bishop Emeritus of Baghdad, Iraq |
| 17 Mar | | Born | Zdenko Georg Chrzepíczky von Modliskovic † | Sedlec | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 20 Mar | 57.2 | Ordained Bishop | Paolo Ximenes † | Archbishop of Trani, Italy |
| 21 Mar | | Born | Pedro Manuel Dávila Cárdenas † | Mombeltrán | Bishop of Plasencia, Spain |
| Born | Juan Leandro Gómez de Parada Valdez y Mendoza † | Guadalajara | Bishop of Guadalajara, Jalisco, México |
| Appointed | Patrick Tyrrell (Tyrell), O.F.M. † | Vicar Apostolic of Kilmore, Ireland | Bishop of Meath, Ireland |
| 26 Mar | 24.2 | Ordained Priest | Domenico Votta † | Priest | Bishop of Isola, Italy |
| 27 Mar | 81.3 | Died | Giuseppe della Corgna (Cornea), O.P. † | Bishop Emeritus of Orvieto, Italy |
| 28 Mar | 38.9 | Appointed | Maurizio Bertone, C.R.S. † | Bishop of Fossano, Italy |
| 70.4 | Appointed | Antonio Bighetti † | Bishop of Patti, Italy |
| 46.2 | Appointed | Andrea Massarenga † | Bishop of Massa Lubrense, Italy |
| 9 Apr | 27.0 | Ordained Priest | Aleksander Mikolaj Horain † | Priest | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 33.3 | Ordained Priest | Bogusław Leszczyński † | Priest | Bishop of Lutsk (Łuck), Ukraine |
| 25.1 | Ordained Priest | Vidal Marin Fernandez † | Priest | Bishop of Ceuta, Spain |
| 12 Apr | 38.9 | Ordained Bishop | Maurizio Bertone, C.R.S. † | Bishop of Fossano, Italy |
| 70.4 | Ordained Bishop | Antonio Bighetti † | Bishop of Patti, Italy |
| 31.3 | Ordained Bishop | Charles Le Goux de la Berchère † | Bishop of Lavaur, France | Archbishop of Narbonne, France |
| 13 Apr | | Born | Francisco Salgado Quirago † | Madrid | Bishop of Guadix, Spain |
| 18 Apr | 58.3 | Died | Buonaccorso Buonacorsi † | Cardinal, Cardinal-Deacon of Santa Maria della Scala |
| 60.9 | Appointed | Lorenzo Mayers Caramuel, O. de M. † | Bishop of Gaeta, Italy |
| 39.5 | Appointed | Miguel Jerónimo de Molina y Aragonés, O.S.Io.Hieros. † | Bishop of Malta | Bishop Emeritus of Lérida, Spain |
| 51.9 | Appointed | Angelo Maria Ranuzzi † | Archbishop (Personal Title) of Fano, Italy | Cardinal, Archbishop of Bologna, Italy |
| Appointed | György Széchényi † | Archbishop of Kalocsa, Hungary | Archbishop of Esztergom, Hungary |
| 32.8 | Confirmed | Pál Széchényi, O.S.P.P.E. † | Bishop of Pécs, Hungary | Archbishop of Kalocsa, Hungary |
| 24 Apr | 39.6 | Ordained Bishop | Miguel Jerónimo de Molina y Aragonés, O.S.Io.Hieros. † | Bishop of Malta | Bishop Emeritus of Lérida, Spain |
| 46.3 | Ordained Bishop | Andrea Massarenga † | Bishop of Massa Lubrense, Italy |
| 27 Apr | | Born | Joannes Bernardinus Vendemini † | Cesenaten | Bishop of Sarsina, Italy |
| 28 Apr | | Born | Agapito Mosca † | Pesaro, Italy | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 30 Apr | 29.3 | Died | Sigismondo Chigi † | Cardinal, Cardinal-Deacon of San Giorgio in Velabro |
| May | 70.5 | Died | Antonio Bighetti † | Bishop of Patti, Italy |
| 1 May | 59.4 | Ordained Priest | Carlo de Ferrari † | Priest | Bishop of Bitonto, Italy |
| 3 May | | Born | Nicola Saverio Albini † | Benevento | Titular Archbishop of Athenae |
| 34.3 | Ordained Priest | Alfonso de Aloysio † | Priest | Bishop of Squillace, Italy |
| 6 May | 65.3 | Died | Carlo Pellegrini † | Bishop of Avellino e Frigento, Italy |
| 8 May | 40.4 | Ordained Bishop | Michel Poncet de la Rivière † | Bishop of Uzés, France |
| 9 May | 68.4 | Appointed | Giuseppe Cigala (Cicala), C.R. † | Archbishop of Messina, Italy |
| 70.4 | Appointed | Joachim Luzinszky † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 15 May | 48.4 | Ordained Bishop | François Letellier † | Bishop of Digne, France |
| 22 May | 36.9 | Ordained Bishop | Juan de Santiago y León Garabito † | Bishop of Guadalajara, Jalisco, México |
| 23 May | 56.4 | Appointed | Paolo Savelli † | Cardinal-Deacon of San Giorgio in Velabro | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 24 May | | Born | Juan García Abadiano † | Segovia, Spain | Bishop of Caracas, Santiago de Venezuela |
| Jun | | Born | Marcello Passari † | Ariano, Italy | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 4 Jun | 35.4 | Ordained Bishop | Michel Cassagnet de Tilladet † | Bishop of Mâcon, France |
| 26.3 | Ordained Priest | Antonio Paternò † | Priest | Archbishop of Lanciano, Italy |
| 52.8 | Ordained Priest | Hermann Werner von Wolf-Metternich zu Gracht † | Priest of Paderborn, Germany | Bishop |
| 6 Jun | 38.3 | Appointed | Marcantonio Barbarigo † | Archbishop of Corfù, Greece | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 30.4 | Confirmed | André Colbert † | Bishop of Auxerre, France |
| 56.4 | Appointed | Domingos de Gusmão, O.P. † | Archbishop of Évora, Portugal |
| 56.4 | Appointed | Carlo Felice de Matta † | Bishop of San Severo, Italy |
| 48.4 | Appointed | Petrus Mieszkowski † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 48.4 | Appointed | Petrus Mieszkowski † | Titular Bishop of Marocco o Marruecos, Titular Sees | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 55.3 | Appointed | Salvatore Scaglione, O. Carm. † | Bishop of Castellammare di Stabia, Italy |
| 12 Jun | 52.1 | Ordained Bishop | Franciscus Crisolini † | Bishop of Sarsina, Italy |
| 15 Jun | | Born | Lorenzo Gioeni d’Aragona † | Palermo | Bishop of Agrigento (Girgenti), Italy |
| 21 Jun | | Died | José Berges † | Bishop of Orihuela, Spain |
| 24 Jun | 35.4 | Ordained Deacon | Rodrigo de Moura Telles † | Deacon | Archbishop of Braga, Portugal |
| 26 Jun | 38.3 | Ordained Bishop | Marcantonio Barbarigo † | Archbishop of Corfù, Greece | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 56.5 | Ordained Bishop | Carlo Felice de Matta † | Bishop of San Severo, Italy |