The episcopal seat is currently vacant since the appointment of Jean-Pierre Batut to Toulouse as auxiliary bishop in 26 June 2023.

[4] To support the Canons of the Cathedral of Saint Louis, the income of two monasteries and five priories was redirected by papal bull.

[8] At the beginning of the Revolution, the Constituent Assembly decided that the number of dioceses in France was excessive, and that approximately fifty of them could be eliminated.

When religion was restored in 1795, Gregoire made considerable efforts to revive what was left of the Constitutional Church; he held a diocesan synod in September 1800.

[12] On 27 July 1817 the Diocese of Blois was canonically re-established by Pius VII,[13] though difficulties between the Vatican and French National Assembly retarded the full implementation of the new Concordat.

Before the French Revolution, the Diocese of Blois was less extensive than at present, almost the entire arrondissement of Romorantin having been subject to the Bishopric of Orléans, and the Bas-Vendômois to the Bishop of Le Mans previous to 1817.