Venerable Thalassios of Libya, abbot and spiritual writer, friend of Saint Maximos the Confessor.
Thalassios was abbot of a monastery in Libya in the seventh century and a correspondent of Saint Maximos the Confessor, who dedicated several works to him. His own Four Centuries on love, self-control and the life of the mind are included in the Philokalia.
He reposed in peace around 660.
Feast day
On the New Calendar, Thalassios the Libyan is commemorated on May 20. Churches on the Old (Julian) Calendar keep the feast on June 2 of the civil calendar.
Who celebrates a name day
People with these names keep their name day on this feast:
Also commemorated on May 20

Lydia of Philippi
Holy Woman, Λυδία
St. Lydia of Philippi, the first European convert of the Apostle Paul.
Thalleleos the Unmercenary
Martyr, Θαλλέλαιος ο Ανάργυρος
Holy Martyr Thalleleos the Unmercenary physician of Aegae, beheaded under Numerian.
Name days: Thalelaios, Thalleleos, Thaleleos, Thallelaeus
Founders of Nea Moni: Niketas, John and Joseph
Venerable, Νικήτας, Ιωάννης και Ιωσήφ της Νέας Μονής Χίου
Venerable Niketas, John and Joseph, hermits of Chios and founders of the Nea Moni.
Alexander and Asterios
Martyr, Αλέξανδρος και Αστέριος
Holy Martyrs Alexander and Asterios, converted by Saint Thalleleos and martyred with him.
Translation of the Relics of Nicholas to Bari
Saint, Ανακομιδή Λειψάνων Αγίου Νικολάου
Commemoration of the translation of the relics of Saint Nicholas from Myra to Bari.
Zabulon and Sosanna
Saint, Ζαβουλών και Σωσάννα
Righteous Zabulon and Sosanna, parents of Saint Nina, Enlightener of Georgia.