In 1703 he entered the novitiate at Melk Abbey, and was ordained in 1711. He remained at Melk until his own death.
Bavarian Academy of Sciences and Humanities]
Hieronymus Pez was also member of the first learned society in Habsburg Monarchy, the Societas eruditorum incognitorum in terris Austriacis, which was publishing the first scientific journal of the monarchy, to which Pez was also contributing.