| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| unknown |  | Born | Giovanni Battista de Aquena † |  | Bishop of Bosa, Italy | 
|  | Born | Arcangelo Baldini, O.P. † |  | Bishop of Gravina (di Puglia), Italy | 
|  | Born | Claude de Bellièvre † |  | Archbishop of Lyon, France | 
| 77.0 | Resigned | Tristan de Bizet, O.S.B. † | Bishop of Saintes, France | Bishop Emeritus | 
|  | Born | Ippolito Borghese, O.S.B. † |  | Bishop of Pienza, Italy | 
|  | Born | Carlo Bovi † |  | Bishop of Sarsina, Italy | 
|  | Born | Scipione Caffarelli-Borghese † |  | Cardinal, Cardinal-Bishop of Sabina | 
| 61.0 | Died | Feliciano Capitone, O.S.M. † | Archbishop of Avignon, France | 
|  | Born | Pompeo Cornazzano, O. Cist. † |  | Bishop of Parma, Italy | 
|  | Born | Cosimo de’ Bardi † |  | Archbishop of Firenze {Florence}, Italy | 
|  | Born | Giovanni Battista de Paola † |  | Bishop of Bisignano, Italy | 
|  | Born | António do Rosário, O.P. † |  | Bishop-Elect of Malacca, Singapore | 
| 25.0 | Ordained Priest | Vincenzo del Tufo, C.R. † | Priest | Bishop of Oria, Italy | 
| 70.0 | Died | Antonio Elio † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine | 
|  | Born | Giovanni Battista Ferrero, O.P. † |  | Archbishop of Torino {Turin}, Italy | 
|  | Resigned | Giovanni Ambrosio Fieschi † | Bishop of Savona, Italy | Bishop Emeritus | 
|  | Born | Antonio Maria Franceschini † |  | Bishop of Amelia, Italy | 
|  | Born | Theodorus Georgi, O.S.B. † |  | Bishop of Arbe (Rab), Croatia | 
|  | Died | Aurelio Griani, O.F.M. † | Bishop of Lettere (-Gragnano), Italy | 
|  | Died | Francisco Guaresma, O.F.M. Obs. † | Bishop of Ceuta and Tanger, Spain | 
|  | Born | Lorenzo Horta Rodríguez † |  | Bishop of Yucatán (Mérida), México | 
|  | Died | Cornelius Ideay † | Bishop of Kilmacduagh, Ireland | 
| 36.4 | Ordained Bishop | Łukasz Kościelecki, O.S.B. † | Bishop of Przemyśl, Poland | Bishop of Poznań, Poland | 
|  | Born | Giovanni Battista Lancellotti † |  | Bishop of Nola, Italy | 
| 27.0 | Ordained Priest | Johann Lohel, O. Praem. † | Priest of Order of the Canons Regular of Premontre; Norbertines | Archbishop of Praha {Prague}, Czechia | 
|  | Died | Sebastiano Maffo † | Bishop of Cariati e Cerenzia, Italy | 
| 54.0 | Appointed | Marcantonio Maffei † | Prefect of the Congregation of Bishops and Regulars | Cardinal, Archbishop Emeritus of Chieti, Italy | 
|  | Born | László Majthényi † |  | Bishop of Sirmio (Srijem; Sirmium), Croatia | 
|  | Born | Pedro de Mata y Haro, C.R. † |  | Bishop of Capaccio, Italy | 
|  | Born | Hugh McCaughwell, O.F.M. Obs. † |  | Archbishop of Armagh, Ireland | 
| 47.0 | Died | Giacomo Mignanelii † | Bishop of Grosseto, Italy | 
|  | Born | Joachim Morochowski, O.S.B.M. † |  | Bishop of Volodymyr (Włodzimierz) et Brėst (Ukrainian) | 
|  | Born | Jean de Plantavit de la Pause † |  | Bishop Emeritus of Lodève, France | 
|  | Born | Nicolaus Righi † |  | Bishop of Tinos and Mykonos, Greece | 
| 26.0 | Ordained Priest | Paolo Emilio Sammarco † | Priest | Bishop of Umbriatico (Umbriaticum), Italy | 
|  | Resigned | Scipione Santacroce † | Bishop of Cervia, Italy | Bishop Emeritus | 
|  | Born | Pierre Antoine Triest † |  | Bishop of Gent {Ghent, Gand}, Belgium | 
| 22.0 | Ordained Priest | Fernando Trexo y Senabria, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Bishop of Córdoba (Tucumán), Argentina | 
| 7 Jan |  | Born | Julián de Cortázar † |  | Archbishop of Santafé en Nueva Granada, Colombia | 
| 9 Jan |  | Born | Jerónimo Domín Funes, O. Carm. † |  | Bishop of Gaeta, Italy | 
| 13 Jan |  | Died | Benedetto Oliva † | Bishop of Trevico, Italy | 
| 15 Jan | 48.0 | Ordained Bishop | Marquard von Berg † | Bishop of Augsburg, Germany | 
| 16 Jan | 40.0 | Appointed | Melchior Giedroyć † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 22 Jan |  | Ordained Bishop | Hector Wegmann † | Titular Bishop of Symbalia (Cembalo, Balaclawa) | Auxiliary Bishop of Passau, Germany | 
| 23 Jan |  | Appointed | Richard McBrady, O.F.M. Obs. † | Bishop of Ardagh (and Clonmacnois), Ireland | Bishop of Kilmore, Ireland | 
| 25 Jan | 65.0 | Died | Tommaso Orsini † | Bishop of Foligno, Italy | 
| 26 Jan |  | Appointed | Patrick Macival † | Bishop of Dromore, Ireland | 
|  | Appointed | Diego Núñez de Figueroa † | Bishop of Macau, China | Former Bishop-Elect | 
| 30 Jan |  | Appointed | Ippolito Boschi † | Bishop of Foligno, Italy | 
|  | Appointed | Matteo Andrea Guerra † | Bishop of San Marco (Argentano), Italy | 
| 6 Feb |  | Appointed | Antonio Balducci, O.P. † | Bishop of Trevico, Italy | 
| 33.0 | Appointed | Lorenzo Vitturi † | Archbishop of Candia {Crete}, Greece | 
| 13 Feb | 45.1 | Died | Ludovico Antinori † | Archbishop of Pisa, Italy | 
| 15 Feb |  | Appointed | Francisco Soto Salazar † | Bishop of Salamanca, Spain | 
| 19 Feb |  | Ordained Bishop | Lattanzio Lattanzi † | Bishop of Pistoia, Italy | 
| 20 Feb |  | Appointed | Bartolomeo Giugni (Junius) † | Archbishop of Pisa, Italy | 
| 25 Feb | 37.6 | Appointed | Alberto Bolognetti † | Apostolic Nuncio to Florence (Tuscany), Italy | Cardinal, Bishop of Massa Marittima, Italy | 
| 46.1 | Resigned | Carlo Cicala (Cicada) † | Apostolic Nuncio to Florence (Tuscany), Italy | Bishop Emeritus of Albenga, Italy | 
| 27 Feb | 64.1 | Appointed | Nicolas Bousmard † | Bishop of Verdun, France | 
|  | Appointed | Pio Loterio, O.S.B. † | Bishop of Fondi (Fundi), Italy | 
| 4 Mar |  | Ordained Bishop | Giovanni Paolo Marincola † | Bishop of Teano, Italy | Bishop Emeritus | 
| 14 Mar |  | Born | Éric de Lorraine, O.F.M. Cap. † |  | Bishop Emeritus of Verdun, France | 
| 17 Mar | 21.2 | Ordained Deacon | Augustin Hofmann, O.S.B. † | Deacon of Order of Saint Benedict | Abbot of Maria Einsiedeln, Switzerland | 
| 19 Mar | 56.2 | Died | Gaspar de Faria † | Bishop of Angra, Portugal | 
| 28 Mar |  | Appointed | Alessandro Canigiani † | Archbishop of Aix, France | 
|  | Appointed | Manuel de Mercado Aldrete, O.S.H. † | Bishop of Panamá | 
|  | Appointed | Giuliano de’ Medici † | Archbishop (Personal Title) of Albi, France | Bishop | 
| 43.1 | Resigned | Giovanni Francesco Gàmbara † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Cardinal-Bishop of Palestrina | 
|  | Appointed | Carlo Montigli † | Archbishop (Personal Title) of Viterbo e Tuscania, Italy | Bishop | 
|  | Died | Juan Orozco de Arce † | Bishop of Catania, Italy | 
| 36.2 | Appointed | Giulio Rossino † | Archbishop of Amalfi, Italy | 
| 57.2 | Appointed | Diego de Salamanca, O.E.S.A. † | Bishop of Puerto Rico (Porto Rico) | Bishop Emeritus | 
| 2 Apr | 75.2 | Died | Pedro Guerrero Logroño (Mendoza) † | Archbishop of Granada, Spain | 
| 6 Apr | 54.2 | Appointed | Tommaso de Bonsi † | Bishop of Béziers, France | Bishop Emeritus | 
|  | Appointed | Nicolas de la Courbe de Brée † | Bishop of Saintes, France | 
| 10 Apr |  | Died | Jean de Balaguier † | Bishop of Cahors, France | 
| 11 Apr | 66.2 | Died | Cornelis Jansen † | Bishop of Gent {Ghent, Gand}, Belgium | 
|  | Appointed | Gómez Zapata † | Bishop of Cartagena (en España) | Bishop of Cuenca, Spain | 
| 22 Apr | 40.3 | Ordained Bishop | Melchior Giedroyć † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 23 Apr | 57.2 | Died | Francisco Gómez de Mendiola y Solórzano † | Bishop of Guadalajara, Jalisco, México | 
| 2 May | 73.3 | Died | Bartolomé de Carranza y Miranda, O.P. † | Archbishop of Toledo, Spain | 
| 4 May |  | Appointed | Johann Mezon von Telz † | Bishop of Olomouc (Olmütz), Czechia | 
| 33.9 | Appointed | Jakob Christoph Blarer von Wartensee † | Bishop of Basel, Switzerland | 
| 9 May | 38.9 | Appointed | Cesare Camillo Ferrero † | Bishop of Savona, Italy | Bishop of Ivrea, Italy | 
| 13 May | 44.3 | Ordained Bishop | Antoine Fournier, C.R.S.A. † | Titular Bishop of Basilitanus | Auxiliary Bishop of Metz, France | 
| 20 May | 61.6 | Died | Maurizio Pietra † | Bishop of Vigevano, Italy | 
| 27 May |  | Died | Giulio Simonetta † | Bishop of Pesaro, Italy | 
| 4 Jun |  | Appointed | Roberto Sassatelli † | Bishop of Pesaro, Italy | 
|  | Appointed | Jan van Strijen † | Bishop of Middelburg, Netherlands | 
| 7 Jun |  | Died | Johann Deublinger † | Auxiliary Bishop of Regensburg, Germany | 
| 29 Jun | 69.8 | Died | François Sonnius (Van de Velde) † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium | 
| Jul | 31.5 | Appointed | Kyrylo (Cyryl) Terletskyi (Terlecki) † | Bishop of Pińsk-Turaŭ (Ukrainian), Belarus | Bishop of Lutsk and Ostroh (Ukrainian), Ukraine | 
| 2 Jul | 62.5 | Died | Joachim van Oprode † | Auxiliary Bishop of Utrecht, Netherlands | 
| 4 Jul |  | Appointed | Juan Dimas Lloris † | Bishop of Barcelona, Spain | 
|  | Appointed | Bl. Patrick O’Healy, O.F.M. Obs. † | Bishop of Mayo, Ireland | 
| 15 Jul | 64.5 | Ordained Bishop | Nicolas Bousmard † | Bishop of Verdun, France | 
| 17 Jul |  | Died | Antonio Ruíz de Morales y Molina, O.S. † | Bishop of Tlaxcala (Puebla de los Angeles), México | 
| 18 Jul | 63.9 | Appointed | François de Foix de Candale † | Bishop of Aire, France | 
| 34.5 | Appointed | Ottavio Santacroce † | Bishop of Cervia, Italy | 
| 30 Jul |  | Appointed | Alfonso Herrera, O.S.A. † | Bishop of Gallipoli, Italy | Bishop of Ariano, Italy | 
| 60.5 | Died | Antonio Scarampi † | Bishop of Lodi, Italy | 
| 46.5 | Appointed | Francesco Sporeni, O.F.M. Obs. † | Titular Bishop of Sebaste in Cilicia | 
| 3 Aug | 65.5 | Died | Leonardo Bonaccorsi (Buonaccorsi) † | Bishop of Bisceglie, Italy | 
| 6 Aug | 60.5 | Appointed | Girolamo Federici † | Bishop of Lodi, Italy | 
| 15 Aug |  | Installed | Antônio Barreiros, O. Cist. † | Bishop of São Salvador da Bahia de Todos os Santos, Brazil | 
|  | Died | Gaspar de Leão Pereira † | Archbishop of Goa, India | 
|  | Ordained Bishop | Johann Mezon von Telz † | Bishop of Olomouc (Olmütz), Czechia | 
| 22 Aug |  | Appointed | Claudio Borghese † | Bishop of Grosseto, Italy | 
|  | Appointed | Malachy O’Moloney † | Bishop of Kilmacduagh, Ireland | 
|  | Appointed | Cornelius Ryan (O’Mulrian), O.F.M. Obs. † | Bishop of Killaloe, Ireland | 
|  | Appointed | Giovanni Battista Soriani (Suriano), O. Carm. † | Bishop of Bisceglie, Italy | 
| Sep |  | Born | Francesco Venturi † |  | Bishop Emeritus of San Severo, Italy | 
| 2 Sep |  | Ordained Bishop | Giovanni Battista Soriani (Suriano), O. Carm. † | Bishop of Bisceglie, Italy | 
| 4 Sep | 43.6 | Died | Romolo Archinto † | Bishop of Novara, Italy | 
| 9 Sep | 34.6 | Ordained Bishop | Ottavio Santacroce † | Bishop of Cervia, Italy | 
| 11 Sep |  | Born | Giovanni Battista Bonetti (Berosi) † |  | Bishop of Narni, Italy | 
|  | Died | Mario Carafa † | Archbishop of Napoli {Naples}, Italy | 
| 12 Sep | 71.6 | Died | Juan Quiñones Guzmán † | Bishop of Calahorra y La Calzada, Spain | 
| 16 Sep |  | Installed | Alessandro Canigiani † | Archbishop of Aix, France | 
| 19 Sep | 65.7 | Appointed | Bl. Paolo (Scipione) Burali d’Arezzo, C.R. † | Cardinal, Archbishop of Napoli {Naples}, Italy | 
|  | Appointed | Giovanni Bernardino Grandopoli † | Bishop of Lettere (-Gragnano), Italy | 
| 40.7 | Appointed | Girolamo Ragazzoni † | Bishop of Novara, Italy | Bishop of Bergamo, Italy | 
| 22 Sep |  | Born | Philipp Wilhelm von Bayern † |  | Cardinal, Bishop-Elect of Regensburg, Germany | 
| Oct |  | Ordained Bishop | Nicolas Fumée † | Bishop of Beauvais, France | 
| 2 Oct | 62.7 | Died | Francisco Delgado López † | Bishop of Jaén, Spain | 
| 7 Oct | 39.4 | Ordained Bishop | Cesare Camillo Ferrero † | Bishop of Savona, Italy | Bishop of Ivrea, Italy | 
|  | Died | Johan Knijf, O.F.M. Obs. † | Bishop of Groningen, Netherlands | 
| 24 Oct |  | Appointed | Giovanni Battista Ansaldo † | Bishop of Cariati e Cerenzia, Italy | 
|  | Appointed | Alfonso de Lorca † | Archbishop of Sassari, Italy | 
| 26 Oct |  | Appointed | Geoffrey de La Marthonie † | Bishop of Amiens, France | 
| 2 Nov |  | Born | Georges Chamberlain † |  | Bishop of Ypres (Ieper), Belgium | 
| 4 Nov |  | Ordained Bishop | Giovanni Battista Ansaldo † | Bishop of Cariati e Cerenzia, Italy | 
|  | Ordained Bishop | Giovanni Bernardino Grandopoli † | Bishop of Lettere (-Gragnano), Italy | 
| 6 Nov |  | Died | Andrea Matteo Acquaviva d’Aragona † | Archbishop of Cosenza, Italy | 
| 12 Nov | 57.3 | Appointed | Giovanni Antonio Facchinetti de Nuce † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine | Pope (Roma {Rome}, Italy) | 
|  | Appointed | Tommaso Gigli † | Bishop of Piacenza, Italy | 
| 17 Nov |  | Appointed | Antonio Bernardez, O.P. † | Auxiliary Bishop of Coimbra, Portugal | 
|  | Appointed | Antonio Bernardez, O.P. † | Titular Bishop of Martyropolis | Auxiliary Bishop of Coimbra, Portugal | 
| 19 Nov | 18.4 | Elevated to Cardinal | Andreas von Austria (Österreich) † | Cardinal, Bishop of Konstanz {Constance}, Germany | 
| 60.8 | Appointed | François de Bourdeilles † | Bishop of Périgueux (Vesuna), France | Bishop Emeritus | 
| 3 Dec | 54.9 | Appointed | Giovanni Ingegneri (Ingenerio) † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | 
| 4 Dec |  | Died | Antonio Vialardi, O.S.B. † | Archbishop of Bourges, France | 
| 10 Dec | 70.9 | Appointed | Jan Sienieński † | Archbishop of Lviv, Ukraine | 
|  | Appointed | Scipione della Tolfa † | Archbishop of Trani, Italy | Archbishop of Acerenza e Matera, Italy | 
| 12 Dec |  | Born | Ambrogio Machin, O. de M. † |  | Archbishop of Cagliari, Italy | 
| 17 Dec | 59.8 | Appointed | Antonio Agustín † | Archbishop of Tarragona, Spain | 
| 43.2 | Appointed | Adam Weisskopf † | Auxiliary Bishop of Wrocław (Breslau), Poland | Auxiliary Bishop Emeritus | 
| 43.2 | Appointed | Adam Weisskopf † | Titular Bishop of Nicopolis ad Nestum | Auxiliary Bishop Emeritus of Wrocław (Breslau), Poland | 
| 22 Dec | 18.9 | Professed | Gregorio de Alarcón, O.A.D. † | Member of Agostiniani Scalzi | Bishop of Santiago de Cuba | 
| 59.9 | Died | Otto von Schaumberg † | Bishop-Elect of Hildesheim, Germany | 
| 28 Dec |  | Died | Benedetto Erba, O.P. † | Bishop of Casale Monferrato, Italy |