| Date | Age | Event | Bishop | Title | Current Title |
| 23 Jun 2018 | 77.1 | Retired | Jean Teyrouz, I.C.P.B. | Bishop of Sainte-Croix-de-Paris (Armenian) | Bishop Emeritus |
| 68.0 | Appointed | Elie (Yéghia) Yéghiayan, I.C.P.B. | Bishop of Sainte-Croix-de-Paris (Armenian) |
| 26 Jun 2018 | 74.5 | Retired | Jean-Louis Bruguès, O.P. | Archivist of the Vatican Secret Archives | Archivist Emeritus |
| 74.5 | Retired | Jean-Louis Bruguès, O.P. | Librarian of the Vatican Library | Archivist Emeritus of the Vatican Secret Archives |
| 5 Jul 2018 | 75.0 | Retired | Claude-Joseph Félix Louis Azéma | Auxiliary Bishop of Montpellier (-Lodève-Béziers-Agde-Saint-Pons-de-Thomières) | Auxiliary Bishop Emeritus |
| 75.2 | Died | Jean-Louis Pierre Tauran † | Cardinal, President of the Pontifical Council for Interreligious Dialogue |
| 15 Jul 2018 | 68.2 | Installed | François Joseph Marie Jacolin, M.D.P. | Bishop of Luçon |
| 22 Jul 2018 | 47.6 | Ordained Bishop | Pierre Olivier Tremblay, O.M.I. | Titular Bishop of Tinum | Auxiliary Bishop of Trois-Rivières, Québec, Canada |
| 23 Jul 2018 | 83.4 | Died | Pierre Auguste Gratien Pican, S.D.B. † | Bishop Emeritus of Bayeux (-Lisieux) |
| 25 Jul 2018 | 60.5 | Appointed | Jérôme Daniel Beau | Archbishop of Bourges |
| 75.1 | Retired | Armand Henri Paul Maillard | Archbishop of Bourges | Archbishop Emeritus |
| 12 Aug 2018 | 68.2 | Ordained Bishop | Elie (Yéghia) Yéghiayan, I.C.P.B. | Bishop of Sainte-Croix-de-Paris (Armenian) |
| 15 Aug 2018 | 53.9 | Succeeded | Vincent Dollmann | Archbishop of Cambrai |
| 74.3 | Died | François Charles Garnier † | Archbishop of Cambrai |
| 18 Aug 2018 | 74.9 | Retired | Thierry Romain Camille Jordan | Archbishop of Reims | Archbishop Emeritus |
| 56.5 | Appointed | Éric Marie de Moulins d’Amieu de Beaufort | Archbishop of Reims |
| 23 Aug 2018 | 94.2 | Died | Yves-Marie-Henri Bescond † | Auxiliary Bishop Emeritus of Meaux |
| 16 Sep 2018 | 52.6 | Ordained Bishop | Matthieu Marie Jean Rougé | Bishop of Nanterre |
| 23 Sep 2018 | 60.7 | Installed | Jérôme Daniel Beau | Archbishop of Bourges |
| 13 Oct 2018 | 82.3 | Died | François Jacques Bussini † | Bishop Emeritus of Amiens |
| 28 Oct 2018 | 56.7 | Installed | Éric Marie de Moulins d’Amieu de Beaufort | Archbishop of Reims |
| 14 Dec 2018 | 47.1 | Appointed | Alexandre François Marie Joly | Auxiliary Bishop of Rennes (-Dol-Saint-Malo) |
| 47.1 | Appointed | Alexandre François Marie Joly | Titular Bishop of Privata | Auxiliary Bishop of Rennes (-Dol-Saint-Malo) |
| 46.8 | Appointed | Bruno Paul Marie Valentin | Auxiliary Bishop of Versailles |
| 46.8 | Appointed | Bruno Paul Marie Valentin | Titular Bishop of Vaison | Auxiliary Bishop of Versailles |
| 19 Dec 2018 | 87.9 | Died | Jacques Louis Antoine Marie David † | Bishop Emeritus of Evreux |
| 24 Dec 2018 | 75.4 | Retired | Ghislain Marie Raoul Suzanne de Rasilly, S.M. | Bishop of Wallis et Futuna, Wallis and Futuna, Pacific (Oceania) | Bishop Emeritus |
| 8 Jan 2019 | 51.9 | Appointed | Jean-Pierre Vuillemin | Auxiliary Bishop of Metz |
| 51.9 | Appointed | Jean-Pierre Vuillemin | Titular Bishop of Thérouanne | Auxiliary Bishop of Metz |
| 17 Jan 2019 | 58.6 | Appointed | Benoît Bertrand | Bishop of Mende |
| 20 Jan 2019 | 46.9 | Ordained Bishop | Bruno Paul Marie Valentin | Titular Bishop of Vaison | Auxiliary Bishop of Versailles |
| 3 Feb 2019 | 52.0 | Ordained Bishop | Jean-Pierre Vuillemin | Titular Bishop of Thérouanne | Auxiliary Bishop of Metz |
| 10 Feb 2019 | 47.3 | Ordained Bishop | Alexandre François Marie Joly | Titular Bishop of Privata | Auxiliary Bishop of Rennes (-Dol-Saint-Malo) |
| 18 Feb 2019 | 58.2 | Appointed | Borys Andrij Gudziak | Archbishop of Philadelphia (Ukrainian), Pennsylvania, USA |
| 64.9 | Appointed | Hlib (Borys Sviatoslav) Lonchyna, M.S.U. | Apostolic Administrator of Saint Vladimir-Le-Grand de Paris (Ukrainian) | Bishop of Holy Family of London (Ukrainian) |
| 3 Mar 2019 | 58.7 | Ordained Bishop | Benoît Bertrand | Bishop of Mende |
| 19 Mar 2019 | 63.7 | Appointed | Jean-Marie Antoine Joseph Speich | Apostolic Nuncio to Slovenia |
| 63.7 | Appointed | Jean-Marie Antoine Joseph Speich | Apostolic Delegate to Kosovo | Apostolic Nuncio to Slovenia |
| 4 Jun 2019 | 58.5 | Installed | Borys Andrij Gudziak | Archbishop of Philadelphia (Ukrainian), Pennsylvania, USA |