Venerable Ciaran, abbot and founder of Clonmacnoise in Ireland.
St. Ciaran was born in Connacht in the early sixth century and studied under St. Finnian of Clonard, being counted among the twelve apostles of Ireland. He founded the monastery of Clonmacnoise on the Shannon, which became one of the great centers of learning of the Irish Church.
He reposed young, in the same year as his foundation, and is commemorated on September 9.
Feast day
On the New Calendar, Ciaran of Clonmacnoise is commemorated on September 9. Churches on the Old (Julian) Calendar keep the feast on September 22 of the civil calendar.
Who celebrates a name day
People with these names keep their name day on this feast:
Also commemorated on September 9

Joachim and Anne
Saint, Ιωακείμ και Άννα
Holy and God-Bearing Ancestors Joachim and Anne, parents of the Theotokos.
Severian of Sebaste
Martyr, Σεβηριανός
Great Martyr Severian of Sebaste in Armenia.
Name days: Severianos, Sevirianos, Severian
Fathers of the Third Ecumenical Council
Saint, Γ' Οικουμενική Σύνοδος
Commemoration of the Holy Fathers of the Third Ecumenical Council at Ephesus.
Theophanes the Confessor of Diabenos
Venerable, Θεοφάνης ο Ομολογητής
Venerable Theophanes the Confessor and faster of Mount Diabenos.
Joseph of Volokolamsk
Venerable, Ιωσήφ Βολοκολάμσκ
Venerable Joseph, abbot and wonderworker of Volokolamsk.