Baptismal names for children born on May 21

Boys' names from this day

Girls' names from this day

From the eighth day, May 28

All the saints of May 21

• Equal-⁠to-⁠the-⁠Apostles Constantine the GreatFirst Christian Roman emperor, who granted the Church freedom and convened the First Ecumenical Council.
• Equal-⁠to-⁠the-⁠Apostles HelenaMother of Emperor Constantine, who found the Holy Cross at Jerusalem and built churches in the Holy Land.
• Right-⁠Believing Anna-⁠NedaWife of Michael Shishman, empress of Bulgaria in 1323-1324 and 1330-1331, venerated in Serbian tradition.
• Venerable HospitiusRecluse of Egyptian origin who lived in a tower on the Cap Ferrat peninsula in Gaul; died in 581.
• Right-⁠Believing Constantine of MuromPrince of Murom, a descendant of Vladimir I of Kiev and son of Prince Svyatoslav of Chernigov; died in 1129.
• Venerable Serapion the SindoniteEgyptian monk who died in 356, called the Sindonite, venerated in the Orthodox and Catholic Churches.
• Martyr Victor of CaesareaA Roman soldier who suffered at Caesarea in Cappadocia together with Polyeuctus and Donatus.
• Venerable Cassian of UglichMonk of Greek descent from the ruling house of Theodoro, founder of a monastery at Uchma; died in 1504.
• AMVenerable Abraham of MinufFourth-⁠century monk and hermit born at Minuf in the Nile Delta to well-⁠off Christian parents.
• Fool-⁠for-⁠Christ Andrew of SimbirskA fool for Christ of Simbirsk in Russia, who reposed in 1841.
• Hieromartyr Alexei KantserovPriest, a graduate of the Ufa seminary and teacher at a parish school, who was killed on 25 June 1918.
• MUVenerable Moses of UfaArchimandrite born Nikolai Chigvintsev in 1913, who died in 1982 in Ufa.
• Venerable Pachomius of KenaDisciple of Alexander of Oshevensk, who founded the Transfiguration Hermitage on the Kena river in the late 15th century.
• Venerable Zosima of EnnatkaBorn Evdokia Sukhanova in the village of Sentsovka in the Orenburg governorate, she lived from 1820 to 1935.
• Hieromartyr EutychiusA hieromartyr of the first century of the Church.
• PVHieromartyr Peter VarlamovVillage priest in Bashkiria, killed on 11 March 1930; numbered among the New Martyrs of Russia.
• AConfessor AdelphiusA venerable ascetic, honored at Onuphis, remembered in the calendars of the Church.
• AMartyr AgeranusA monk of Bèze, slain by Norse raiders in 888.
• AOVenerable Athanasius of OstrovA Russian monk of Ostrov, commemorated in the calendar of the Russian Orthodox Church.
• BVVenerable Martyr Barlaam of ValaamMonk of Valaam, martyred for the faith of Christ.
• BVVenerable Martyr Barlaam of ValaamMonk of Valaam, martyred for the faith of Christ.
• BSaint BarrfoinAn Irish holy man of the early Church.
• BVVenerable Martyr Basil of ValaamMonk of Valaam, martyred for the faith of Christ.
• BVVenerable Martyr Basil of ValaamMonk of Valaam, martyred for the faith of Christ.
• BSaint BorosA saint of Jerusalem, commemorated in the old Kanonarion of the Holy City.
• BDSaint Brighit daughter of DiommanAn Irish saint, commemorated in the Martyrologies of Tallaght and Donegal.
• CISaint Christopher IA 10th-⁠century Patriarch of Antioch, commemorated in the Greek synaxarion.
• CMSaint Colman of Magh n EoA saint honored in the Irish tradition, associated with Magh n Eo; very little is recorded.
• CVVenerable Martyr Conon of ValaamA monk of Valaam Monastery, commemorated as a martyr in the Orthodox calendar.
• CNSaint Constantine of NovotorzhokA saint of Novotorzhok, commemorated in the Russian calendar.
• CSSaint Constantine of SofiaA saint venerated in the Bulgarian tradition, from Sofia.
• COVenerable Cornelius of OstrovA venerable father of Ostrov, commemorated in the Orthodox calendar.
• CVVenerable Martyr Cornelius of ValaamA monk of Valaam Monastery, commemorated as a martyr in the Orthodox calendar.
• CISaint Cuimmin of Inis mac ua DartadhaA saint honored in the Irish tradition, associated with Inis mac ua Dartadha; very little is recorded.
• DVVenerable Martyr David of ValaamA monk of Valaam who died a martyr for his faith in Christ.
• DOVenerable Dionysius of OstrovA venerable monk of Ostrov, commemorated in the calendar of the Orthodox Church.
• DMartyr DonatusA martyr commemorated with Saints Polyeuctus and Victor.
• FKVenerable Felix of KareliaA venerable monk of Karelia, commemorated in the calendar of the Orthodox Church.
• FSaint FionnbharrA saint, commemorated in the Irish calendar; very little is recorded.
• GVVenerable Martyr Gelasius of ValaamA monk of Valaam Monastery, commemorated as a martyr in the Russian calendar.
• Saint GollenA Welsh saint honored in Denbighshire.
• IVVenerable Martyr Ignatius of ValaamA monk of Valaam Monastery, commemorated as a martyr in the Orthodox calendar.
• IOVenerable Ignatius OstrovskyA venerable father, commemorated in the Orthodox calendar; little is known of his life.
• IVenerable IsbergaA holy woman honored at Aire in Artois, reposed around 800.
• ISaint IsidoreA saint commemorated with Adelphius, Borus and Theodore.
• JMVenerable Joasaph of MashezeroA venerable father of the Mashezero lake region, commemorated in the Orthodox calendar.
• JVVenerable Martyr Jonah of ValaamA monk of Valaam Monastery, commemorated as a martyr in the Orthodox calendar.
• LOVenerable Leonid of OstrovA venerable father of Ostrov, commemorated in the Orthodox calendar.
• LVVenerable Martyr Leontius of ValaamA monk of Valaam Monastery, commemorated as a martyr in the Orthodox calendar.
• MLSaint Maeldeid of Lis MorAn Irish saint honored at Lis Mor, commemorated in the Martyrologies of Tallaght and Donegal.
• Martyr Mantius of ÉvoraA martyr venerated at Évora in present-⁠day Portugal.
• MNHieromartyr Michael NikologorskyA hieromartyr of the Russian Church, who died in 1938.
• MMRight-⁠Believing Michael of MuromPrince of Murom, who died in 1129.
• MSaint MoinneA saint, commemorated in the Irish calendar; very little is recorded.
• NAHoly Martyrs Nicostratus, Antiochus and other soldiersMartyrs of Caesarea Philippi, saints of the undivided Church, commemorated in the Roman Martyrology.
• NVSaint Nortyla of VerdenBishop of Verden in Lower Saxony, entered as saint and martyr on 22 May on the authority of Camerarius; few details survive.
• PPVenerable Pachomius of PatmosA holy monk of the island of Patmos.
• PVVenerable Martyr Philip of ValaamA monk of Valaam who died a martyr for his faith in Christ.
• PCSaint Polan of Cill MonaA saint honored in the Irish tradition, associated with Cill Mona; very little is recorded.
• PHieromartyr PoliusA hieromartyr of the undivided Church, commemorated in Western calendars.

Questions

I.What can I name a boy born on May 21?

From the saints of the day: Constantine, Serapion, Victor, Cassian, Abraham, Andrew, Alexei, Moses, Pachomius, Peter, Athanasius, Barlaam, Basil, Conon, Cornelius, David, Dionysius, Donatus, Felix, Gelasius, Ignatius, Isidore, Joasaph, Jonah, Leonid, Leontius, Michael, Nicostratus, Philip, Polyeuctus, Sergius, Silvester, Theodore, Theophilus, Thomas, Tikhon, Titus, Thaddeus, Cyril, John, Longinus, Cyprian, Macarius. You may also choose a saint of the eighth day or any saint dear to the family.

II.What can I name a girl born on May 21?

From the women saints of the day: Helena, Barbara. You may also choose one of the eighth day or any saint dear to the family.

III.Must the name be the saint of the birthday?

No. Tradition links it to the birthday or the eighth day, but many parents choose a saint who has helped the family.