The Third Order of Our Lady of Mount Carmel (also named Lay Carmelites) is a branch of the religious Carmelite Order of the Ancient Observance and was established in 1476 by a bull of Pope Sixtus IV. It is an association of lay people who choose to live the Gospel in the spirit of the Carmelite Order and under its guidance. The Carmelites known for devotion to Blessed Virgin Mary under her title as Our Lady of Mount Carmel.