Mateus Moreira was a Portuguese lay sacristan living in Colonial Brazil during the 17th century. He is recognized as one of the Martyrs of Natal, having been killed during a religious persecution. While attending Sunday Mass, he was executed by Dutch troops led by Jacob Rabbi. During the assault, he was martyred while expressing devotion to the Blessed Sacrament. He was later beatified in 2000 and canonized in 2017.
Martyrdom and death

In October 1645, Moreira was present at a Mass led by Ambrósio Francisco Ferro. During this service, Dutch government forces carried out a massacre of the faithful. Moreira met his end during this attack, specifically when his heart was removed from his back. His final words reportedly focused on praising the Blessed Sacrament.
Veneration and patronage
The Catholic Church officially recognized his sanctity through beatification in St. Peter's Square and subsequent canonization. He is honored as a patron for the Extraordinary Ministers of the Eucharistic Communion, a role approved by the Holy See. His feast day is observed annually on October 3.
