Miller was a Marine Engineer and elected as a Fellow of the Royal Society of London (its full name is the Royal Society of London for the Improvement of Natural Knowledge) on March 30, 1843.
All of Mary Ann’s vital information is carved on a shield shape on the front of the monument:
Mrs. Mary Ann
born at Brampton
March 20th 1803
died at Farmington
Albemarle Co. Va.
April 8th 1877
All of the information about her brother Joseph and his life and accomplishments is carved on the sinister side of the monument (as you look at it from the front), filling up nearly its entire height.