Fr Luis de Santo Agostinho was born as Luis Franco in Lisbon, Portugal in the Parish of Sao Juliao in Lisbon. He was the Prior of the Convents of St Thomas in 1702, Chaul in 1703 and Graca in 1706. He also worked in the St Anthony Chapel at Old, Goa. He died in the Convent of Graca de Goa on the 4th of March 1712.