| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Francesco Arata † | Palermo | Bishop of Lipari, Italy |
| Died | Camillo Beccio, O.S.A. † | Bishop of Acqui, Italy |
| Died | Jean Bertier † | Bishop of Rieux, France |
| Succeeded | Jean Louis Bertier † | Bishop of Rieux, France | Bishop Emeritus |
| Born | António Brandão, O. Cist. † | Alcobaca | Archbishop of Goa, India |
| Appointed | Philibert de Brichanteau † | Bishop of Laon, France |
| Born | Buonaccorso Buonacorsi † | Montesanto, Italy | Cardinal, Cardinal-Deacon of Santa Maria della Scala |
| 44.0 | Appointed | Scipione Caffarelli-Borghese † | Archpriest of the Basilica di San Pietro in Vaticano {Saint Peter Basilica} | Cardinal, Bishop of Sabina, Italy |
| Born | Francesco Casati † | Placentin | Titular Archbishop of Trapezus |
| Born | Pedro de Copons i de Teixidor † | Vicen | Bishop of Urgell, Spain |
| 56.0 | Appointed | Carlos Marcelo Corni Velazquez † | Bishop of Concepción, Chile | Bishop of Trujillo, Peru |
| Born | Francesco Giuseppe Crespos de Escobar † | Medina | Bishop of Agrigento (Girgenti), Italy |
| Born | Jean d’Arenthon d’Alex † | | Bishop of Genève {Geneva}, Switzerland |
| Died | Ferdinando D’Avila, O.F.M. † | Bishop of Ascoli Satriano, Italy |
| Born | Estevão dos Santos Carneiro de Moraes, C.R.S.A. † | Portalegre | Bishop of São Salvador da Bahia, Brazil |
| Born | Nicolás Ortiz del Puerto y Colmenares Salgado † | Santa Catalina Minas | Bishop of Antequera, Oaxaca, México |
| Born | Pierre du Laurens, O.S.B. † | Paris | Bishop of Belley, France |
| Died | Stefano de Vicari, O.P. † | Bishop of Nocera de’ Pagani, Italy |
| Born | Serafino Esquirro † | Calaritan | Bishop of Ales e Terralba, Italy |
| Born | Jean de Forcoal † | Paris | Bishop of Sées, France |
| Born | Gerardus Galata † | Corvino | Archbishop of Durrës (Durazzo), Albania |
| Died | Ottaviano Garzadori † | Bishop of Ossero (Osor), Croatia |
| Born | Giulio Vincenzo Gentile, O.P. † | Ianuen | Archbishop of Genova, Italy |
| Died | Luca Antonio Gigli † | Bishop of Alatri, Italy |
| Born | Antonii Glielmi † | Magliano | Bishop of Acerno, Italy |
| Born | Juan Herrero Jaraba † | Guadalupe | Bishop of Plasencia, Spain |
| Born | Martino Ibáñez y Villanueva, O.SS.T. † | Conchen | Archbishop of Reggio Calabria, Italy |
| Born | Nicolas Ladvocat-Billiard † | Paris | Bishop of Boulogne (-Sur-Mer), France |
| Resigned | Alphonse de La Croix de Chevrières † | Bishop of Grenoble, France | Bishop Emeritus |
| 47.0 | Appointed | Giambattista Leni † | Archpriest of the Arcibasilica di San Giovanni in Laterano {Saint John Lateran Basilica} | Cardinal, Bishop of Ferrara, Italy |
| Born | Jacobus Lenza, O.S.B. † | Roma | Archbishop of Conza, Italy |
| 27.0 | Ordained Bishop | André Le Porc de la Porte † | Bishop of Saint-Brieuc, France |
| Born | Bonaventura Madaliński † | Gnesnen | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| Born | Camillo Massimo (Massimi) † | Rome, Italy | Cardinal, Cardinal-Priest of Sant’Anastasia |
| Succeeded | Arnauld de Maytie † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| Died | Arnauld de Maytie de Mauléon † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| 64.0 | Resigned | Pietro Francesco Montorio † | Bishop of Nicastro, Italy | Bishop Emeritus |
| Born | Louis-Henri de Pardaillon de Gondrin † | Gondrin | Archbishop of Sens, France |
| Born | Giovanni Evangelista Parzaghi, O.F.M. † | Cremen, Italy | Archbishop of Zadar (Zara), Croatia |
| Resigned | Sebastiano Poggi † | Bishop of Ripatransone, Italy | Bishop Emeritus |
| Born | Joseph von Rabatta † | Gorizia | Bishop of Ljubljana, Slovenia |
| Ordained Bishop | Giandomenico Ridolfi, C.R. † | Bishop of Oria, Italy |
| 47.0 | Ordained Bishop | David Rothe † | Bishop of Ossory, Ireland |
| Born | Manuel de Saldanha † | Lisboa | Bishop of Viseu, Portugal |
| Born | Kazimierz Szczuka † | | Bishop of Chelmno (Culma, Kulm), Poland |
| 32.0 | Ordained Priest | Marcos de Torres y Rueda † | Priest | Bishop of Yucatán (Mérida), México |
| Born | Carlo Vaini † | Roma | Titular Archbishop of Nicaea |
| Born | Benedictus Zuchorski † | Posnanien | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 13 Jan | 38.0 | Appointed | Luigi Capponi † | Cardinal-Deacon of Sant’Angelo in Pescheria | Cardinal, Archbishop Emeritus of Ravenna, Italy |
| 17 Jan | | Born | Girolamo Compagnone † | Aversan | Archbishop of Rossano, Italy |
| 10 Feb | 51.1 | Appointed | Eusebius Caimus † | Bishop of Novigrad (Cittanova), Croatia |
| 13 Feb | | Born | Girolamo Casanate † | Naples, Italy | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| 17 Feb | 37.1 | Appointed | Lorenzo Azzolini † | Bishop of Ripatransone, Italy | Bishop of Narni, Italy |
| 59.1 | Appointed | Jerónimo Venero Leyva † | Archbishop of Monreale, Italy |
| 45.1 | Confirmed | Jan Wężyk † | Bishop of Przemyśl, Poland | Archbishop of Gniezno, Poland |
| 21 Feb | | Died | Aloisio Grimani † | Archbishop of Candia, Greece |
| 23 Feb | 72.2 | Died | Luis Sans y Códol † | Bishop of Barcelona, Spain |
| 59.1 | Ordained Bishop | Jerónimo Venero Leyva † | Archbishop of Monreale, Italy |
| 25 Feb | 37.1 | Ordained Bishop | Lorenzo Azzolini † | Bishop of Ripatransone, Italy | Bishop of Narni, Italy |
| 1 Mar | 10.8 | Appointed | Fernando de Austria † | Cardinal, Apostolic Administrator of Toledo, Spain |
| 2 Mar | | Died | Francesco Gonzaga, O.F.M. † | Bishop of Mantova, Italy |
| Born | Henri-Marie de Laval de Bois-Dauphin † | Le Mans | Bishop of La Rochelle, France |
| 38.2 | Succeeded | Vincenzo Agnello Suardi † | Bishop of Mantova, Italy |
| 11 Mar | 65.2 | Died | Eucharius Sang † | Auxiliary Bishop of Würzburg, Germany |
| 12 Mar | 51.2 | Ordained Bishop | Eusebius Caimus † | Bishop of Novigrad (Cittanova), Croatia |
| 73.2 | Died | Cosimo Dossena, B. † | Bishop of Tortona, Italy |
| 69.2 | Died | Prudencio Sandobal, O.S.B. † | Bishop of Pamplona, Spain |
| 22 Mar | | Died | Nicolas de Briroy † | Bishop of Coutances, France |
| 26 Mar | 84.8 | Died | Domenico Toschi † | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 28 Mar | 75.2 | Died | Nikolaus Arresdorf, O.F.M. Conv. † | Auxiliary Bishop of Paderborn, Germany |
| 30 Mar | 53.2 | Selected | Pedro Carranza Salinas, O. Carm. † | Bishop of Buenos Aires, Argentina |
| 49.2 | Appointed | Alessandro Damasceni Peretti † | Cardinal-Priest of San Lorenzo in Damaso | Cardinal, Cardinal-Bishop of Albano |
| 67.2 | Died | Antonio Maria Galli † | Cardinal, Bishop of Osimo, Italy |
| 38.2 | Appointed | (Thomas) Alfonso Pozzi † | Bishop of Borgo San Donnino, Italy |
| 50.2 | Appointed | Tomás de la Torre Gibaja, O.P. † | Bishop of Paraguay | Bishop of Córdoba (Tucumán), Argentina |
| Apr | 61.3 | Died | Manuel Baptista, O.F.M. † | Bishop of Angola e Congo, Angola |
| Born | Bernardino León de la Rocha † | Pacen | Bishop of Coria, Spain |
| 5 Apr | 38.3 | Ordained Bishop | (Thomas) Alfonso Pozzi † | Bishop of Borgo San Donnino, Italy |
| 6 Apr | 53.3 | Confirmed | Pedro Carranza Salinas, O. Carm. † | Bishop of Buenos Aires, Argentina |
| 49.3 | Appointed | Alessandro Damasceni Peretti † | Cardinal, Cardinal-Bishop of Albano |
| 72.3 | Appointed | Giovanni Evangelista Pallotta † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 79.3 | Appointed | Antonio Maria Sauli † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 57.4 | Appointed | Francesco Sforza † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 58.3 | Appointed | Plácido Tosantos Medina, O.S.B. † | Bishop of Guadix, Spain | Bishop of Zamora, Spain |
| 8 Apr | 75.3 | Died | Angelo Rocca, O.S.A. † | Titular Bishop of Thagaste |
| 25 Apr | | Born | Marco Vaccina † | Afragola | Bishop of Trevico, Italy |
| 26 Apr | | Died | Francisco Diaz de Cabrera y Córdoba, O.P. † | Bishop of Trujillo, Peru |
| 27 Apr | | Died | Benedetto Ala † | Archbishop of Urbino, Italy |
| 29 Apr | 67.3 | Appointed | Agostino Galamini, O.P. † | Cardinal, Bishop of Osimo, Italy |
| 38.3 | Appointed | Francesco Maria de Marra † | Bishop of Ascoli Satriano, Italy |
| 51.3 | Appointed | Girolamo Rusca, O.P. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| May | | Born | Lancelot de Gottignies † | Bruxellen | Bishop of Roermond, Netherlands |
| 1 May | | Born | Sigismondo Isei † | Caesenae | Bishop of Comacchio, Italy |
| 3 May | 38.3 | Ordained Bishop | Francesco Maria de Marra † | Bishop of Ascoli Satriano, Italy |
| 46.6 | Ordained Bishop | Johannes Pelking (Pelcking), O.F.M. Conv. † | Titular Bishop of Cardicium | Auxiliary Bishop of Paderborn, Germany |
| 7 May | 56.3 | Died | Pietro Giorgio Odescalchi † | Bishop of Vigevano, Italy |
| 16 May | | Died | Pedro de São Agostinho Figueira de Cunha Lobo, O.S.A. † | Bishop of São Tomé e Príncipe |
| 18 May | 60.4 | Appointed | Richard Arthur † | Bishop of Limerick, Ireland |
| 54.4 | Appointed | Giovanni Battista de Asti, O.S.A. † | Titular Bishop of Thagaste |
| 31.4 | Appointed | Claude de la Magdelaine † | Bishop of Autun, France |
| 46.4 | Appointed | Pietro Valier † | Archbishop of Candia, Greece | Cardinal, Bishop of Padova {Padua}, Italy |
| 19 May | | Born | Sisto Maria Pironti, O.P. † | Naples | Bishop of Sarno, Italy |
| 27 May | 41.4 | Died | Philippe Hurault de Cheverny † | Bishop of Chartres, France |
| 30 May | 78.4 | Died | Matthias Van den Hove (Hovius) † | Archbishop of Mechelen, Belgium |
| 31 May | 54.4 | Ordained Bishop | Giovanni Battista de Asti, O.S.A. † | Titular Bishop of Thagaste |
| 15 Jun | | Appointed | Giuliano de’ Medici † | Archbishop of Pisa, Italy |
| Appointed | Maurice Hurley † | Bishop of Emly, Ireland |
| 40.5 | Appointed | Giuseppe (Giacomo) Pamphilj † | Bishop of Kotor (Cattaro), Montenegro |
| 38.5 | Installed | (Thomas) Alfonso Pozzi † | Bishop of Borgo San Donnino, Italy |
| 20 Jun | | Died | Felipe Tarsis de Acuña, O.S. † | Archbishop of Granada, Spain |
| 21 Jun | | Ordained Bishop | Giuliano de’ Medici † | Archbishop of Pisa, Italy |
| 27 Jun | 45.5 | Died | August Wiederin von Ottersbach † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |