Beatrice of Silva was a 15th-century Portuguese noblewoman who established the Order of the Immaculate Conception. Born in Campo Maior, she served as a lady-in-waiting to Queen Isabel of Portugal in Castile. Following a period of imprisonment caused by the Queen's jealousy, she reportedly received a vision from the Virgin Mary directing her to create a new religious community. She eventually settled in Toledo, where she founded a monastery dedicated to the Immaculate Conception, which later became part of the Franciscan tradition.