15th March, (2nd March O.S.):
- CHAD (CEADDA), the brother of St. Cedd (26th October), and a monk at Lindisfarne with St. Aidan (31st August), and in Ireland. On returning to England, he served as abbot of Lastingham, before being consecrated bishop of York. However, out of humility, he agreed to go to Mercia as bishop, where he lived in Lichfield, reposing there in 673. His relics are preserved in the Cathedral dedicated to him in Birmingham.
- CYNIBIL (CYNIBILD), (seventh century), one of four Northumbrian brothers (St. Chad of Mercia (vide supra), St. Cedd (26th October), and Caelin) named by St. Bede as prominent in the seventh century Anglo-Saxon Church.
- FERGNA, called 'the White', he was a relative and disciple of St. Columba (9th June) of Ireland and was his successor as abbot of Iona in Scotland in 637.
- GISTILIAN (GISTLIAN), the uncle of St. David (1st March) and a monk at Menevia, or St. Davids, in Wales in the fifth or sixth century.
- JOAVAN, a Romano-Briton who went to Brittany to live with his uncle St. Paul of Léon (12th March), by whom he was consecrated bishop. St. Joavan reposed circa 570.
- JOVINUS AND BASILEUS, two martyrs in Rome under Gallienus and Valerian and were buried on the Latin Way circa 258.
- MARTYRS OF CAMPANIA, sixth century martyrs, most likely several hundred in number, in Campania under the Lombards.
- MARTYRS UNDER THE LOMBARDS, a group of eighty martyrs killed by the Lombards in Campania circa 579.
- MARTYRS OF ROME, a large number of martyrs, in Rome under Alexander Severus and the prefect Ulpian in 219.
- PAUL, HERACLIUS, SECUNDILLA AND JANUARIA, martyrs under Diocletian at Porto Romano at the mouth of the Tiber circa 305.
- SLEBHENE (SLEBHINE), an Irish monk who served as abbot of Iona in Scotland from 752 until his repose in 767.
- WILLEIC, a disciple of St. Swithbert (1st March), who made him Abbot of Kaiserwerth. He reposed in 726.
* - 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."