Rita Hayworth lookalike.
Though she may never have known it, Mary was a 3rd cousin once removed to another actress, Irene Ryan (born Irene Noblitt). Both had common ancestral roots in the Noblet - Noblitt - Noblett family of Appalachian Georgia and North Carolina, reaching back to Quaker immigrants from Ireland to Pennsylvania, and from Ireland to a centuries-long line of French lords named Noblet and Noblette.