| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 69.0 | Died | Antonio de Aguilar † | Bishop of Ceuta, Spain |
| Born | Juan Álvarez Osorio † | Astoricen | Bishop of Plasencia, Spain |
| 60.0 | Died | Dominik Andrijasevic (Andriassus), O.F.M. † | Bishop of Mostar, Bosnia and Herzegovina |
| 66.0 | Died | Nicola Benigno † | Bishop of Città Ducale, Italy |
| Born | Martin Ferdinand Brückner von Brückenstein † | Neudorf | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 77.0 | Died | Francesco Campanari † | Bishop of Alatri, Italy |
| 53.0 | Died | Altobello Carissimi † | Bishop of Minervino Murge, Italy |
| Born | Matteo Cosentino † | Aieta | Bishop of Anglona-Tursi, Italy |
| Born | Joannes Debski † | | Auxiliary Bishop of Przemyśl, Poland |
| Born | Petrus Deodatus, O.F.M. † | Ciproaz | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| Born | Antonio do Espirito Santo, O.C.D. † | Montemor o Velho, Portugal | Bishop of Angola e Congo, Angola |
| Born | Juan de los Ríos y Berriz † | Liman | Bishop of Santa Cruz de la Sierra, Bolivia |
| Ordained Bishop | Vicente Domec † | Bishop of Jaca, Spain | Bishop of Albarracin, Spain |
| Born | Ignazio Della Zerda, O.S.A. † | Reatin | Bishop of L’Aquila, Italy |
| Born | Diego Ventura Fernández de Angulo, O.F.M. † | Zamoren | Bishop of Avila, Spain |
| Born | André Furtado de Mendonça † | Lisbon | Bishop of Miranda (do Douro), Portugal |
| 44.0 | Died | Ludovico Gonzaga † | Bishop of Alba (Pompea), Italy |
| Died | Jean Guérin † | Bishop of Grasse, France |
| Born | Martin Jelić † | Antibaren | Bishop of Sapë, Albania |
| Born | Sebastianus Knab, O.P. † | Bamberg | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 61.0 | Appointed | João Manuel de Ataíde † | Archbishop of Lisboa {Lisbon}, Portugal |
| Confirmed | João Mendes de Távora † | Bishop of Portalegre, Portugal | Bishop of Coimbra, Portugal |
| Born | Domenico Menna † | Napoli | Bishop of Minori, Italy |
| Born | Gaspare Mezzomonaco, O.S.B. † | Napoli | Bishop of Tricarico, Italy |
| Born | Toribio de Mier † | La Collada | Bishop of Pamplona, Spain |
| Born | Benedetto Milazzi † | Vigilien | Bishop of Ostuni, Italy |
| Born | Andrea Massarenga † | Napoli | Bishop of Massa Lubrense, Italy |
| Died | Fernando de Ocampo, O.F.M. † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 86.0 | Died | Francisco Olivares Maldonado, O.S.A. † | Auxiliary Bishop of Toledo, Spain |
| Born | Sancho de Andrade de Figueroa † | Lima | Bishop of Quito, Ecuador |
| Born | Joannes Bapt. Paterio † | Chien | Bishop of Andros, Greece |
| 62.0 | Died | Gregorius Pedrocca, O.F.M. † | Bishop of Acqui, Italy |
| Born | György Pongrácz † | Owar | Bishop of Vác, Hungary |
| Born | Gerolamo Rocca † | Catacen | Bishop of Ischia, Italy |
| 63.0 | Died | Girolamo Rusca, O.P. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| Born | Jean-Baptiste de Sade † | | Bishop of Cavaillon, France |
| Born | Mathurin Savary † | Paris | Bishop of Sées, France |
| Born | Francesco Scannagatta † | Dongo | Bishop of Avellino e Frigento, Italy |
| 63.2 | Resigned | Richard Smith † | Vicar Apostolic of England, Great Britain | Vicar Apostolic Emeritus |
| Born | Alfonso Santacruz † | | Auxiliary Bishop of Toledo, Spain |
| Born | Ivan Smolianović (Szmolianovich) † | Boccari | Bishop of Senj (-Modruš), Croatia |
| 49.1 | Ordained Bishop | Anselm Casimir Wambold von Umstadt † | Archbishop of Mainz, Germany |
| Jan | 51.0 | Ordained Bishop | Achille de Harlay de Sancy † | Bishop of Saint-Malo, France | Bishop Emeritus |
| 43.0 | Ordained Bishop | Jacques Raoul de La Guibourgère † | Bishop of Saintes, France | Bishop of La Rochelle, France |
| 1 Jan | 62.0 | Died | Giovanni Battista Agucchia † | Titular Archbishop of Amasea |
| 2 Jan | 62.0 | Appointed | Facundo (Fernando) de la Torre, O.S.B. † | Archbishop of Santo Domingo, Dominican Republic |
| 3 Jan | 35.3 | Confirmed | Franz von Hatzfeld † | Bishop of Würzburg, Germany |
| 6 Jan | 42.2 | Selected | Pedro de Villagómez Vivanco † | Bishop of Arequipa, Peru | Archbishop of Lima, Peru |
| 7 Jan | | Born | Ambrosio Ignacio Spínola y Guzmán † | Madrid | Archbishop of Sevilla {Seville}, Spain |
| 11 Jan | | Ordained Bishop | Louis de Bretel † | Archbishop of Aix, France |
| 18 Jan | | Born | Sebastian Glavinich † | Pesino | Bishop of Senj (-Modruš), Croatia |
| 19 Jan | | Appointed | Pompeo Balbani † | Bishop of Castro [del Lazio], Italy |
| 39.0 | Appointed | Ippolito Franconi † | Bishop of Nocera de’ Pagani, Italy |
| Appointed | Giovanni Battista Pontano (Montano) † | Bishop of Oppido Mamertina, Italy |
| 54.0 | Appointed | Antonio Provana † | Archbishop of Torino {Turin}, Italy |
| Appointed | Carlo Antonio Ripa † | Bishop of Mondovi, Italy |
| 31.0 | Appointed | Stefano Siri † | Bishop of Sagone (Sagona), France |
| 24 Jan | 72.1 | Died | Giovanni Battista Salvago † | Bishop of Luni e Sarzana, Italy |
| 25 Jan | 39.1 | Ordained Bishop | Ippolito Franconi † | Bishop of Nocera de’ Pagani, Italy |
| Ordained Bishop | Giovanni Battista Pontano (Montano) † | Bishop of Oppido Mamertina, Italy |
| Ordained Bishop | Carlo Antonio Ripa † | Bishop of Mondovi, Italy |
| 8 Feb | | Ordained Bishop | Francisco Villafañe † | Bishop of Mondoñedo, Spain | Bishop of Osma, Spain |
| 16 Feb | 49.7 | Appointed | Antonio Ricciulli † | Bishop of Umbriatico (Umbriaticum), Italy | Archbishop of Cosenza, Italy |
| Appointed | Jerónimo Ruiz Camargo † | Bishop of Córdoba, Spain |
| 17 Feb | | Died | Pedro Antón Serra † | Bishop of Lérida, Spain |
| 19 Feb | 51.6 | Appointed | Gaspar de Borja y Velasco † | Archbishop of Sevilla {Seville}, Spain | Cardinal, Bishop of Albano, Italy |
| 29 Feb | 65.2 | Died | Pedro Carranza Salinas, O. Carm. † | Bishop of Buenos Aires, Argentina |
| Mar | | Born | Davide Cocco Palmieri, O.S.Io.Hieros. † | Peschi | Bishop of Malta |
| Born | Manuel de Moura Manuel † | Serpa | Bishop of Miranda (do Douro), Portugal |
| 8 Mar | 44.2 | Confirmed | Melchor Maldonado y Saavedra, O.S.A. † | Bishop of Córdoba (Tucumán), Argentina |
| 66.8 | Appointed | Juan Roco Campofrío, O.S.B. † | Bishop of Coria, Spain |
| Appointed | Alessandro Strozzi † | Bishop of San Miniato, Italy |
| 26 Mar | 59.2 | Selected | Stanisław Łoza † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 29 Mar | 27.8 | Confirmed | Léonor de Goyon de Matignon (I) † | Bishop of Coutances, France | Bishop Emeritus of Lisieux, France |
| 3 Apr | | Born | Alessandro Lambert † | Chambery | Bishop of Ivrea, Italy |
| 8 Apr | | Born | Francesco Grassi † | Clodien | Bishop of Nona (Nin), Croatia |
| 23 Apr | | Born | Joannes Ferrari † | Ceprani | Bishop of Aquino, Italy |
| 26 Apr | | Appointed | Alessandro Deti (Deto) † | Bishop of Anglona-Tursi, Italy |
| Appointed | Felice Franceschini, O.F.M. Conv. † | Bishop of Andria, Italy |
| 52.3 | Appointed | Giovanni Domenico Spinola † | Archbishop (Personal Title) of Luni e Sarzana, Italy | Cardinal, Bishop of Mazara del Vallo, Italy |
| 29 Apr | | Died | Mikołaj Gabriel Fredro, O.F.M. † | Bishop of Bacău, Romania |
| May | | Born | Michael Ludovicus Tevenardi, O.P. † | Salutiarum | Bishop of Saluzzo, Italy |
| 2 May | | Ordained Bishop | Felice Franceschini, O.F.M. Conv. † | Bishop of Andria, Italy |
| 9 May | | Ordained Bishop | Alessandro Deti (Deto) † | Bishop of Anglona-Tursi, Italy |
| 13 May | | Succeeded | Giovanni de Fossé † | Bishop of Castres, France |
| 17 May | 20.1 | Ordained Priest | Lorenzo Brancati di Lauria, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Cardinal, Cardinal-Priest of Santi XII Apostoli |
| 25 May | 54.0 | Died | Juan Pereda Gudiel † | Bishop of Oviedo, Spain |
| 29 May | 53.7 | Confirmed | Juan Barahona Zapata del Águila † | Bishop of Nicaragua |
| 31 May | 61.7 | Installed | Péter Pázmány, S.J. † | Cardinal-Priest of San Girolamo dei Croati | Cardinal, Archbishop of Esztergom, Hungary |
| 5 Jun | 24.6 | Ordained Priest | Antonio Bighetti † | Priest | Bishop of Patti, Italy |
| 7 Jun | | Appointed | Pedro Cifuentes Loarte † | Bishop of Avila, Spain |
| 60.4 | Appointed | Alonso de Franco y Luna † | Bishop of Durango, México | Bishop of La Paz, Bolivia |
| 33.6 | Installed | Ernst Adalbert von Harrach zu Rohrau † | Cardinal-Priest of Santa Maria degli Angeli | Cardinal, Archbishop of Praha {Prague}, Czech Republic |
| 59.4 | Appointed | Pietro Niccolini † | Archbishop of Firenze {Florence}, Italy |
| Confirmed | Dominique Séguier † | Bishop of Auxerre, France | Bishop of Meaux, France |
| Appointed | Lopo de Sequeira Pereira † | Bishop of Guarda, Portugal |
| 10 Jun | | Born | Esprit-Valentin Fléchier † | Carpentras | Bishop of Nîmes, France |
| 13 Jun | 59.4 | Ordained Bishop | Pietro Niccolini † | Archbishop of Firenze {Florence}, Italy |
| 22 Jun | 49.5 | Resigned | Alessandro Castracani (Castracane) † | Bishop of Nicastro, Italy | Bishop of Fano, Italy |
| 24 Jun | 27.4 | Ordained Priest | Diego del Castillo y Arteaga † | Priest | Bishop of Badajoz, Spain |