Fr Mariano Conceisao Chagas Da Silva was a Goan Diocesan Priest who worked in the Goan Church of Our Lady of Amparo(Refuge) at Mandur, Goa. He was the assistant parish priest at Calangute and was made the parochial administrator at Calangute. He was a Chaplain at the Ambelim Chapel, Parish Priest at Mandur and Taleigao and Raia.