
Who Was Saint Diogo Pereira?
Saints
A Brazilian layman killed in the 1645 Uruaçu massacre during the Dutch colonial wars, canonized in 2017 as one of Brazil’s first saints.
Saint Diogo Pereira was a Catholic layman of Natal, Brazil, killed on October 3, 1645, in the massacre at Uruaçu during the conflict between Portuguese Catholic colonists and Dutch Calvinist forces in colonial northeastern Brazil. He is venerated among the Martyrs of Cunhaú and Uruaçu, the first Brazilian-born saints recognized by the Church. Beatified in 2000, he was canonized by Pope Francis in 2017.

Quick Facts
- Died: October 3, 1645 (Uruaçu, Rio Grande do Norte, Brazil)
- Venerated as: Lay martyr, one of the Martyrs of Cunhaú and Uruaçu
- Beatified: 2000 · Canonized: 2017
Who Was Saint Diogo Pereira?
Saint Diogo Pereira was a Catholic layman of Natal, in the captaincy of Rio Grande do Norte, Brazil, killed in the massacre at Uruaçu during the Dutch colonial wars in northeastern Brazil in the seventeenth century.
Historical Setting
His death came amid the conflict between Portuguese Catholic colonists and the Dutch West India Company, whose Calvinist forces controlled parts of northeastern Brazil at the time; the massacres of Cunhaú and Uruaçu in 1645 killed dozens of Catholics gathered for Mass and in a chapel, becoming the defining episode of anti-Catholic violence in Brazil’s colonial history.
Why the Church Remembers Saint Diogo Pereira
He is remembered together with the other Martyrs of Cunhaú and Uruaçu, the first Brazilian-born saints recognized by the Church, whose joint witness is honored as the founding martyrdom of the Catholic faith in Brazil.
Canonization and Feast Day
Saint Diogo Pereira was beatified in 2000 and canonized by Pope Francis in 2017 together with the other Martyrs of Cunhaú and Uruaçu.
What Catholics Can Learn Today
His death in a chapel, among people gathered simply to worship, is a stark reminder of how ordinary acts of faith — attending Mass, gathering as a community — have at times demanded the highest price.
A Prayer to Saint Diogo Pereira
Saint Diogo Pereira, martyr of Uruaçu who gave your life among your fellow believers, pray for the Church in Brazil and for all who worship in the face of danger. Amen.
Sources
- Vatican.va biography from the 2017 canonization of the Martyrs of Brazil
- Roman Martyrology
