(Ἑρμᾶς), a disciple of the apostle Paul, and one of the apostolic fathers. So at least it is generally believed, and it is further supposed that he is the same person as the Hermas who is mentioned in St. Paul's epistle to the Romans (16.14). This opinion arose from the fact that at the beginning of the second century of our era a Greek work entitled Hermae Pastor (ποιμήν) was circulated from Rome, and acquired a great reputation in the Christian church.
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890