In 1772 she and her brother Joshua witnessed the murder of Patrick Lockhart.
She was not married in 1793 when her father's will was probated. In 1793 when Josiah died, Mary inherited the house where he lived, two acres, a horse, a cow and her choice of stock.
The Manor of Moreland was composed of a tract of ten thousand acres, and was created, in 1682, by a grant from William Penn to Dr. Nicholas More. Most of the Manor was in Philadelphia County, but is now
Moreland Township, Montgomery County, Pennsylvania.