ALL SAINTS CELEBRATED IN APRIL Saints celebrated on the 13th of April WELCOME! SAINT MARTIUS, ABBOT Saint Martius, Abbot; April 13 (alternatively April 7 or April 14 ). As a young man, he withdrew into solitude. Later, disciples joined him, and a monastery was established in the Auvergne, near Clermont, of which he became the abbot. He died 530. Represented as a hermit digging. He is invoked against demonic possession and intermittent fevers. Source: Franz von Sales Doyé, Saints and Blesseds of the Roman Catholic Church: Their Identifying Attributes, Patronages, and Biographical Notes, Volume 1, Vier Quellen Verlag, Leipzig, 1929