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May 10 in Eastern Orthodox liturgical calendars is a feast day and a day of commemoration of saints and martyrs. Although some Orthodox churches use the Revised Julian Calendar and others use the traditional Julian calendar, the fixed commemorations for their respective May10 are broadly the same, no matter which calendar is used.

Saints

Saint Simon the Zealot, Apostle (1st century)May 10/23. Orthodox Calendar (PRAVOSLAVIE.RU).Ὁ Ἅγιος Σίμων ὁ Ἀπόστολος ὁ Ζηλωτής. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Martyr Hesychius the Palatine of Antioch (c. 304)Ὁ Ὅσιος Ἡσύχιος ὁ Ὁμολογητής. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Saint Isidora the Fool-for-Christ, of Tabennisi, Egypt (c. 365) Saint Isidore of Alexandria (Isidore The Simple-Minded) (319-404), (404)Ὁ Ὅσιος Ἰσίδωρος ὁ μωρός. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. ИСИДОР СТРАННОПРИИМЕЦ. Открытая православная энциклопедия "Древо" (Open Orthodox Encyclopedia "The Tree") Retrieved: February 25, 2026. Venerable Passarion the Presbyter (Passarion of Palestine), Agapius and Philemon (mid-5th century)Οἱ Ὅσιοι Πασσαρίων, Ἀγάπιος καὶ Φιλήμων. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Blessed Thais (Taisia) of Egypt (5th century) ТАИСИЯ ЕГИПЕТСКАЯ. Открытая православная энциклопедия "Древо" (Open Orthodox Encyclopedia "The Tree") Retrieved: February 25, 2026. Saint Laurence of Egypt, monk, of Egypt (6th century)

Pre-Schism Western saints

Martyrs Calepodius, Palmatius, Simplicius, Felix, Blanda and Companions (c. 222–232)May 10. The Roman Martyrology.May 10. Latin Saints of the Orthodox Patriarchate of Rome.Rev. Sabine Baring-Gould (M.A.). "SS. CALEPODIUS, P.M., AND OTHERS MM. (A.D. 222.)." In: The Lives of the Saints. Volume the Fifth: May. London: John C. Nimmo, 1898. pp. 139-140. Martyrs Alphius, Philadelphus, Cyprian, at Lentini in Sicily (251)Οἱ Ἅγιοι Ἀλφειός, Κυπρίνος καὶ Φιλάδελφος οἱ Μάρτυρες οἱ Αὐτάδελφοι. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Martyrs Erasmus, Onesimus, and 14 other martyrs, in Sicily (251)Οἱ Ἅγιοι Ἔρασμος καὶ Ὀνήσιμος οἱ Μάρτυρες καὶ οἱ σὺν αὐτοῖς δεκατέσσερις μαρτυρήσαντες. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Saint Aurelian of Limoges, Disciple of St Martial of Limoges in France (3rd century) Martyrs Quartus and Quintus, two citizens of Capua who were condemned and executed in Rome. Saint Conleth, hermit and first Bishop of Kildare (c. 519) (see also: May 3 and May 4) Saint Comgall, founder and abbot of Bangor (602)of EgyptὉ Ὅσιος Κομγάλλιος. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.Rev. Sabine Baring-Gould (M.A.). "S. COMGALL, AB. (A.D. 601.)." In: The Lives of the Saints. Volume the Fifth: May. London: John C. Nimmo, 1898. pp. 141-145. Saint Cataldus, born in Munster in Ireland, became a monk at Lismore, then Bishop of Taranto; renowned for miracles (7th century) Virgin-martyr Solangia (Solange) (880)Rev. Sabine Baring-Gould (M.A.). "S. SOLANGIA, V.M. (ABOUT A.D. 844.)." In: The Lives of the Saints. Volume the Fifth: May. London: John C. Nimmo, 1898. pp. 145-146.

Post-Schism Orthodox saints

Saint Simon of Vladimir and Suzdal, Kiev Caves, Bishop (1226)Ὁ Ἅγιος Σίμων Ἐπίσκοπος Βλαδιμὶρ καὶ Σουζδαλίας. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Venerable Laurence, monastic founder at Mt. Pelion in Volos (late 14th century)Ὁ Ὅσιος Λαυρέντιος. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Blessed Simon of Yurievets and Zharki, Fool-for-Christ (1584) Martyr Eustathios of Crimea (1745-1759), martyred in Theodosia, Crimea (1759)Ὁ Ἅγιος Εὐστάθιος ὁ Μάρτυρας ὁ ἐκ Κριμαίας. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Saint Synesius of Irkutsk (1787) Saint Yoakim Krchovski (1820) Venerable Calistrat (Bobu) of Timișeni and Vasiova, Confessor at Timișeni Monastery and Vasiova Monastery (1975)Holy Synod approves canonization of 16 modern-day saints. BASILICA.RO. 12.07.2024. Retrieved: February 15, 2026.Romanian Synod canonizes 16 martyrs, confessors, and ascetics of the 20th-century. Orthodox Christianity. Bucharest, July 15, 2024. Retrieved: February 15, 2026. Saint Eumenius (Saridakis) the Leper, of Crete (Eumenius the Younger), the God-bearer, father confessor to the Athens leprosy hospital (1999) (see also: May 23 - NS)

Other commemorations

The passage of the relics (1087) of St. Nicholas the Wonderworker through the island of Zakynthos, while on their way to Bari.Ἡ πάροδος τοῦ ἱεροῦ λειψάνου τοῦ Ἁγίου Νικολάου τοῦ Θαυματουργοῦ ἐκ τῆς νήσου Ζακύνθου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Translation of the relics (1670) of the blessed martyr Basil of Mangazea in Siberia (1602)Ἀνακομιδὴ Τιμίων Λειψάνων Ἁγίου Βασιλείου τοῦ Ἱερομάρτυρος τοῦ Θαυματουργοῦ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. "Kiev-Bratskaya" Icon of the Mother of God (1654)Σύναξις Ὑπεραγίας Θεοτόκου «τῶν ἀδελφῶν του Κιέβου» ἐν Ρωσίᾳ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. КИЕВО-БРАТСКАЯ ИКОНА БОЖИЕЙ МАТЕРИ. Открытая православная энциклопедия "Древо" (Open Orthodox Encyclopedia "The Tree") Retrieved: February 25, 2026. Repose of Eldress Thaisia of Voronezh (1840) Repose of Hieromonk Andrew (Abramius in Schema) of Whitehoof Convent (1902) Slaying of Soldier Eugene Rodionov in Chechnya (May 23, 1996)

Icon gallery

Notes

References

Sources May 10/23. Orthodox Calendar (PRAVOSLAVIE.RU). May 23 / May 10. HOLY TRINITY RUSSIAN ORTHODOX CHURCH (A parish of the Patriarchate of Moscow). May 10. OCA - The Lives of the Saints. May 10. Latin Saints of the Orthodox Patriarchate of Rome. May 10. The Roman Martyrology. Greek Sources Great Synaxaristes: 10 ΜΑΪΟΥ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Συναξαριστής. 10 Μαΐου . ECCLESIA.GR. (H ΕΚΚΛΗΣΙΑ ΤΗΣ ΕΛΛΑΔΟΣ). Russian Sources 23 мая (10 мая). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru). 10 мая (ст.ст.) 23 мая 2013 (нов. ст.). Русская Православная Церковь Отдел внешних церковных связей. (DECR).