Maria Monk, born on June 27, 1816, and died in 1849, was an American writer known for her works that exposed religious secrets and mysticism. Her most famous work is 'The Story of Sister Mary of Agreda: A Narrative of Her Life and Miracles', which caused widespread controversy and discussion upon its publication.
Source: Awful Disclosures of Maria Monk: As Exhibited in a Narrative of Her Sufferings During a Residence of Five Years as a Novice, and Two Years as a Black Nun, in the Hotel Dieu Nunnery at Montreal