Saint Machai, a disciple of St Patrick who founded a monastery on the Isle of Bute in Scotland (5th century)[10]
Saint Isaac of Spoleto (Isaac of Monteluco), a Syrian monk who fled the Monophysite persecution and founded a monastery in Monteluco near Spoleto (c. 550)[7][10][note 6]
Saint Maedhog (Aedhan, Mogue), an abbot whose main monastery was Clonmore in Ireland (6th century)[10][16]
New Martyrs Peter Zhukov and Prochorus Mikhailov, of Tver (1918)[9][32]
New Hieromartyr Nicholas Gavarin, Priest (1938)[9][33]
Other commemorations
Commemoration of the Appearance of the Most Holy Theotokos at Pochaev, and the Leaving of her sacred Footprint there ("the Footprint") (1340)[1][32][34]
Venerable James, Abbot of Zhelezny Borok, Kostroma
Notes
^The notation Old Style or (OS) is sometimes used to indicate a date in the Julian Calendar (which is used by churches on the "Old Calendar"). The notation New Style or (NS), indicates a date in the Revised Julian calendar (which is used by churches on the "New Calendar").
^"At Pergamus, in Asia, St. Antipas, a faithful witness, of whom St. John speaks in the Apocalypse. Under the emperor Domitian, he was shut up in a red-hot brazen ox, and thus consummated his martyrdom."[7]
^(in Greek) "Ιερομάρτυρος Αντύπα (1), επισκόπου Περγάμου, του πρώτου χριστιανού και «πιστού μάρτυρος» εν Μικρά Ασία (†92)."[8]
^One of the first to enlighten Dalmatia, where he was martyred as first Bishop of Salona, probably during the persecution of Diocletian.[10]
^"At Gortina, in Crete, in the time of Marcus Antoninus Verus and Lucius Aurelius Commodus, St. Philip, a bishop most renowned for merit and doctrine, who defended the church entrusted to his care against the fury of the Gentiles, and the wiles of the heretics."[7]
^He was one of the restorers of ascetic life in 6th century Italy.
^From being a warrior in the army of Ethelred, King of Mercia, Guthlac became a monk at Repton in England. Afterwards he went to live as a hermit in the fens, where he spent the last fifteen years of his life like a desert-father. Later the monastery of Crowland grew up at the place where he had lived.
^"The Monk Jakov of Bryleevsk was a disciple of the Monk Jakov of Zheleznoborovsk (Comm. 11 April) and was a "trudnik" at his monastery (the word "trudnik" has two meanings: "truzhenik"-"toiler" and "posluzhnik"-"obedient"). He later founded the Bryleevsk wilderness-monastery in honour of the Entry into the Temple of the MostHoly Mother of God at a distance of 5 versts from the Zheleznoborovsk ForeRunner monastery, off in the direction of the city of Bua. The Monk Jakov died during the 15th century and was buried in the Entry into the Temple church. His memory is marked likewise on the Day of the Descent of the Holy Spirit upon the Apostles (i.e. Pentecost)."[24]
^He was the abbot of the Cernica Monastery near Bucharest, which became the center of printing and social activities in Wallachia. He was distinguished by humility and ascetic virtues. He was consecrated as bishop of Râmnic in 1850 and engaged in church-building and publishing, and opened a seminary. Shortly before his death he retired to the monastery he had founded.[30]
^"He was a devoted disciple of St Paisius Velichkovsky, and brought the spirituality and veneration of St Paisius to Romania."[31]
^ abcdThe Roman Martyrology. Transl. by the Archbishop of Baltimore. Last Edition, According to the Copy Printed at Rome in 1914. Revised Edition, with the Imprimatur of His Eminence Cardinal Gibbons. Baltimore: John Murphy Company, 1916. p. 102.
^Parani, Maria G. (2005) "The Monastery of St. Chrysostomos at Koutsovendis (Cyprus): The Wall-Paintings." (Fellowship Report). Dumbarton Oaks, Washington, DC. Archived here by Internet Archive on 8 June 2011.
^Dr. Alexander Roman. April. Calendar of Ukrainian Orthodox Saints (Ukrainian Orthodoxy - Українське Православ'я).
^ abThe Autonomous Orthodox Metropolia of Western Europe and the Americas. St. Hilarion Calendar of Saints for the year of our Lord 2004. St. Hilarion Press (Austin, TX). p. 28.
The Autonomous Orthodox Metropolia of Western Europe and the Americas. St. Hilarion Calendar of Saints for the year of our Lord 2004. St. Hilarion Press (Austin, TX). p. 28.
April 11. Latin Saints of the Orthodox Patriarchate of Rome.
The Roman Martyrology. Transl. by the Archbishop of Baltimore. Last Edition, According to the Copy Printed at Rome in 1914. Revised Edition, with the Imprimatur of His Eminence Cardinal Gibbons. Baltimore: John Murphy Company, 1916. p. 102.
(in Greek) Συναξαριστής. 11 Απριλίου. ecclesia.gr. (H Εκκλησια Τησ Ελλαδοσ).
Russian Sources
(in Russian)24 апреля (11 апреля). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).