Saints of 4 August
The feast, the saints of the day, and the Roman Martyrology for 4 August.
Feasts in 2026
Tuesday 4 August 2026.
- Ordinary Form: St John Vianney. Memorial, white.
- 1962 calendar: St. Dominic the Confessor. Third class, white.
Feasts that depend on the date of Easter fall on a different day each year.
Saints of the day
- St John Vianney. The Curé of Ars, patron of parish priests.
Roman Martyrology
St Dominic, confessor and founder (Bologna)
At Bologna, St. Dominic, confessor, founder of the Order of Friars Preachers, most renowned for sanctity and learning. He preserved his chastity unsullied to the end of his life, and by his great merits raised three persons from the dead. After having repressed heresies by his preaching, and instructed many in the religious and godly life, he rested in peace on the 6th of this month. His feast, however, is celebrated on this day, by decree of pope Paul IV.
St Aristarchus of Thessalonica
At Thessalonica, the birthday of blessed Aristarchus, disciple and inseparable companion of the apostle St. Paul, who writes to the Colossians: My fellow-prisoner Aristarchus salutes you. He was consecrated bishop of the Thessalonians by the same apostle, and after long sufferings under Nero, crowned by Christ, rested in peace.
St Tertullinus of Rome
At Rome, on the Latin road, the martyrdom of blessed Tertullinus, priest and martyr, in the time of emperor Valerian. After being cruelly beaten with rods, after having his sides burned, his mouth shattered; after being stretched on the rack and scourged with whips, he completed his martyrdom by being beheaded.
St Eleutherius (Constantinople)
At Constantinople, the holy martyr Eleutherius, of the senatorial rank, who was put to the sword for Christ, in the persecution of Maximian.
St Ia and companions, martyrs (Persia)
In Persia, in the time of king Sapor, the holy martyr la and her companions, who, with nine thousand Christian captives, underwent martyrdom after having been subjected to various torments.
St Protasius of Cologne
At Cologne, St. Protasius, martyr.
St Agabius of Verona
At Verona, St. Agabius, bishop and confessor.
St Euphronius of Tours
At Tours, St. Euphronius, bishop.
St Perpetua of Rome
At Borne, St. Perpetua, who was baptized by the blessed apostle Peter. She converted to the faith her son Nazarius and her husband Africanus, buried the remains of many holy martyrs, and finally went to our Lord endowed with an abundance of merit.
St John Vianney
At Ars in France, St John Mary Vianney, priest, the holy Curé of Ars, patron of parish priests. Canonised 1925.
From the 1916 English edition of the Roman Martyrology, which is in the public domain. Saints canonised since then are added with a short note.
Gianna can send the day's feast and saints each morning, following the calendar you use. See a daily Catholic routine.