Today, in the 1962 Dominican Rite Calendar, we celebrate the feast of the Blessed Virgin Mary - Mediatrix of All Graces. The feast is III Class, so the Ordinary Office is prayed. Like many III Class feasts in the Dominican Breviary, this office contains the a significant amount of beautiful propers, as if the feast were II Class. At Lauds, the Psalms of Sunday are prayed.
Breviarium S.O.P.
Celebrating the liturgical traditions of the Order of Preachers.
Friday, May 8, 2026
May 8: Blessed Virgin Mary - Mediatrix of All Graces, III Class
May 8: Blessed Virgin Mary - Mediatrix of All Graces, III Class
Today, in the 1962 Dominican Rite Calendar, we celebrate the feast of the Blessed Virgin Mary - Mediatrix of All Graces. The feast is III Class, so the Ordinary Office is prayed. Like many III Class feasts in the Dominican Breviary, this office contains the a significant amount of beautiful propers, as if the feast were II Class. At Lauds, the Psalms of Sunday are prayed. The full text of the office, found in the 1967 English translation of the Dominican Breviary, can be found here.
Thursday, May 7, 2026
LOST FEASTS: May 7 - Octave of St. Catherine of Siena, V., O.P.
Tuesday, May 5, 2026
May 5: St. Pius V, P., C., O.P., II Class
Today, in the 1962 Dominican Rite Calendar, we celebrate the feast of St. Pius V, Pope and Confessor, of the Order of Preachers. The feast is II Class, so the semi-festive office is prayed according to the rubrics
As surprising as it may seem, given the reputation this holy Pope and friary had, it took nearly a century and a half after his death before he was canonized! In his "History of the Dominican Liturgy", Fr. William Bonniwell, O.P., relates the story of his canonization:
Friday, May 1, 2026
LOST TRADITIONS: April 30 - May 7: Octave of St. Catherine of Siena
I do understand the concern about the sanctorale crowding out the temporale, but is it that difficult to make a commemoration at Lauds and Vespers for seven days?
Thursday, April 30, 2026
April 30: St, Catherine of Siena, V., D., O.P., I Class
At Rome, St. Catherine of Siena, virgin, of the Order of our Father St. Dominic. While hardly more than an infant, she consecrated her virginity to Christ and preserved it unsullied until death. She was famed for her innumerable halos of virtue, and excelled in a remarkable innocence of life. Strengthened by Christ her Spouse in frequent sweet conversations, she merited to become a sharer in His sufferings and wounds. Lastly, she was distinguished by the gift of prophecy, by miracles, and by doctrine. Having frequently conquered and triumphed over Satan, she ascended to heaven to the happy embraces of her Spouse on April 29. She was buried in the Church of Santa Maria sopra Minerva, and Pius II inscribed her in the number of the holy virgins.
Wednesday, April 29, 2026
April 29: St. Peter Martyr, M., O.P., II Class
Today, in the 1962 Dominican Rite Calendar, we celebrate the feast of the illustrious St. Peter Martyr, martyr, of the Order of Preachers. The feast is II Class and the semi-festive office is prayed according to the rubrics.

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