Her birth is estimated to be 1735 and one account says that her father was a tailor in Bond Street in London.

She is said to have gone to Jamaica with a man called Horton or Houghton, and according to some accounts they married and he may have died.

[1] In 1760 she was a high-class prostitute to members of the aristocracy including the Earl of Shelburne, a contractor Arnold Nesbitt, and Richard Rigby, a Privy Councilor.

[1] In 1764, she had a scandalous affair with Augustus FitzRoy, 3rd Duke of Grafton, whilst his wife, Anne FitzPatrick, was pregnant.

[5] The two married on 24 September 1776 in London before visiting Italy, where they had difficulty entering the Royal court because of their history.

Parsons was received by minor members of the Royal Family, and spent the remainder of her life solo in Italy and France.