Catholic Encyclopedia: St. Mary of Egypt
Biographical article on the penitent and hermit, who died around 421.
Mary of Egypt
Illustrated profile, with links. Says she died around 421.
Mary of Egypt, Hermit
Estimates that this saint died around the year 500.
Saint Mary of Egypt who had been a sinner
From "Miniature Stories of the Saints," by Daniel A. Lord, S.J. For children.