Catholic Encyclopedia
St. Medard, or Medardus, bishop of Noyon, d. around 545.
Catholic Online
Extremely brief note on St. Medard. Gives his dates as 470-560.
For All the Saints
Gives the saint's dates as c. 470-c. 558. With links to other saints with whom St. Medard was associated.
Patron Saints Index
Profile of St. Medard. Illustrated.