Mary Isham was the daughter of Henry and Katherine Isham. She married William Randolph of Turkey Island. This portrait appears to have descended at Wilton Plantation, home of William Randolph III. The subject is identified by family tradition. There is a possibility that this portrait actually represents Elizabeth Beverley Randolph (Mrs. William Randolph II).
Dimensions: . 34 x 26 in. (86.36 x 66.04 cm.)
The subject wears a purple dress with a jeweled clasp and a blue drape over her lap. Her left elbow rests on a stone plinth and her left hand touches her temple.
See: Graham Hood, Charles Bridges and William Dering: Two Virginia Painters, 1735-1750 (1978), 47-