 Duchesne thinks that the chronology of these early bishops rests on very little evidence and that very ill-supported by documents.Before the 10th century, only six individuals are known of whom it can be said with certainty that they were bishops of Le Puy.The first of these, Scutarius, the legendary architect of the first cathedral, dates from the end of the 4th century according to an inscription that notes his name..

Adhemar, bishop of Le Puy was a central figure in the First Crusade.