The legend that Glabrio was an early convert to Christianity was suggested to be true when in 1888 a tomb of the Acilii Glabriones was discovered adjacent to the Catacomb of Priscilla. Although the inscriptions from the tomb mentioning the family were inscribed in a script used generations later than this Manius Acilius Glabrio and his wife Priscilla, at the time numerous experts eagerly cited this archaeological find as certain proof of the story.
In 1888, it was suggested that Glabrio was an early Christian convert when a tomb belonging to the Acilii Glabriones was discovered near the Catacomb of Priscilla. Despite the inscriptions on the tomb mentioning the family being written in a script used after this Manius Acilius Glabrio and his wife Priscilla, many experts at the time cited this archaeological find as conclusive evidence for the legend.