Formerly thought to be a 2nd century bishop of Mainz, and a martyr, modern scholarship has shown that there was no one by this name is the early diocese, and his inclusion on some old calendars may have been the result of clerical error or copyists trying to make sense of church dedications and tomb lists.
- “Saint Hilary of Mainz“. CatholicSaints.Info. 23 February 2017. Web. 26 April 2017. <>