ALL SAINTS CELEBRATED IN MAY Saints celebrated on the 4th of May SAINT PORPHYRY, MARTYR Today, we also commemorate Saint Porphyry. The Roman Martyrology states: "In Umbria, Saint Porphyry, martyr." PRAYER: Grant, we beseech you, almighty God, that the venerable feast of Saint Porphyry may increase our devotion and promote our salvation. Through our Lord Jesus Christ, your Son, who lives and reigns with you in the unity of the Holy Spirit, God, for ever and ever. Amen.