Roman Martyrology-May 31st- on this date in various years-
For 2015 The Feast of the most holy and undivided Trinity, and the Octave of Pentecost.
St. Angela Merici, virgin of the Third Order of St. Francis. She was the foundress of the Nuns of St. Ursula, and was called by her heavenly Spouse on the 27th of January in order to receive an incorruptible crown.
At Rome, St. Petronilla, virgin, disciple of the blessed apostle Peter. She refused to marry Flaccus, a nobleman, and was granted three days for deliberation. She spent these days in fasting and in prayer, and on the third day, after having received the Sacrament of the Body of Christ, she yielded up her soul.
At Aquileia, the holy martyrs Cantius, Cantian, and Cantianilla, members of one family, which belonged to the illustrious line of the Anicii. For their attachment to the Christian faith, they were condemned to capital punishment with their tutor, Protus, in the time of Emperors Diocletian and Maximian.
At Torres in Sardinia, St. Crescentian, martyr.
At Comana in Pontus during the reign of Emperor Antoninus, St. Hermias, a soldier. Being miraculously delivered from many horrible torments, he converted his executioner to Christ, and made him partaker of the crown which he was first to receive by being beheaded.
At Verona, St. Lupicinus, bishop.
At Rome, St. Paschasius, deacon and confessor, who is mentioned by blessed Pope Gregory.
And elsewhere in divers places, many other holy martyrs, confessors, and holy virgins.
R. Thanks be to God.