Mary of Jesus of Ágreda was a 17th-century Spanish mystic, writer, and abbess of the Order of the Immaculate Conception. Born María Coronel y de Arana in Ágreda, she entered religious life at sixteen alongside her mother. She is widely recognized for her extensive spiritual correspondence with King Philip IV and her reported mystical bilocations to New Spain. As a significant figure in Baroque literature, she authored several works, most notably a detailed series of revelations concerning the life of the Virgin Mary.