18th May, (5th May O.S.):
- BRITO (BRITONIUS), a bishop of Trier, who, although a firm opponent of the Priscillianists, refused to hand them over for punishment by the State. St. Brito reposed in 386.
- CRESCENTIANA, a fifth century martyr in Rome.
- ECHA (ETHA), a, anchorite priest at Crayke near York in England who reposed in 767.
- GERUNTIUS OF MILAN, the successor of St. Eusebius (12th August) as Bishop of Milan, he served from circa 465 until his reposed in 470).
- HILARY,a native of Lorraine who gained a high office in the local administration. His relative and friend, St. Honoratus (16th January), invited him to the monastery founded in Lérins, where Hilary then received baptism and became a monk. When St. Honoratus became Bishop of Arles, he took Hilary as his secretary. St. Hilary succeeded him and was famed for his zeal, reposing in 449.
- HYDROC, (Fifth century.) The patron saint of Lanhydroc in Cornwall.
- JOVINIAN, a + c 300. A companion of St. Peregrinus of Auxerre (16th May), whom he served as a reader. He is generally believed to have been martyred circa 300.
- MAURONTUS (MAURONT), the eldest son of Ss. Adalbald (2nd February) and Rictrudis (12th May). He became a monk at Marchiennes, and went on to found a monastery at Breuil-sur-lys near Douai, of which he is the patron-saint. St. Maurontus reposed in 701.
- NECTARIUS, a bishop of Vienne who reposed circa 445.
- NICETUS, the fifteenth bishop of Vienne, he reposed circa 449.
- SACERDOS, a Saint venerated in Murviedro in present-day Spain, who is believed to have been bishop there. He reposed circa 560.
- SILVANUS, (Date unknown.) a martyr in Rome.
- THEODORE OF BOLOGNA, the Bishop of Bologna from circa 530 until his repose circa 550.
- WALDRADA, the first Abbess of Saint-Pierre-aux-Nonnais in Metz, she reposed circa 620.
* - Prior to the Schism the Patriarchate of Rome was Orthodox and fully in communion with the Orthodox Church. As Saint John of Shanghai and San Francisco +1966 said "The West was Orthodox for a thousand years, and her venerable Liturgy is far older than any of her heresies."