Three months after her husband's death, Indians drove the settlers off the Vanderdonck plantation at Yonkers. Having lost her property, she decided to move to VA with her father. It is unclear whether she sailed to VA with her father or joined him there later.
Mary followed her father from VA back to Charles Co, MD and remained after he left There, she became known as a healer of the sick, for which service she demanded good fees, and sometimes, when her patients were reluctant to pay the bill, she took them to county court for due settlement of her claims. Beginning on April 22, 1662, the court records accord her the new name of Mrs. O'Neal.