Mary Boleyn died on 19 July 1543 at her house in Surrey, England. She was the sister of Anne Boleyn, who was executed in 1536 for treason. Mary had been married to William Carey from 1520 to 1536, and had two children with him. She was also the mistress of Henry VIII from 1527 to 1533.
The Enigmatic Mary Boleyn: Unraveling the History of an English Noblewoman