Paisius of Uglich

Paisius of Uglich was a Russian monastic of the late fifteenth and early sixteenth centuries who founded and led the Protection monastery near the town of Uglich, in the Russian north. According to the synaxarion he was born in the Tver district near the city of Kashin and was a nephew of Saint Macarius of Kalyazin. After the death of his parents he entered his uncle's monastery as an eleven-year-old child, and there was formed in a monastic life of obedience, fasting and prayer.

Under his uncle's guidance Paisius was set to the copying of soul-saving books, a labor of the manuscript tradition characteristic of monastic formation in Rus'. He is remembered as a builder of cenobitic monastic life, founding the Protection monastery in 1464, some three versts from Uglich, at the wish of Prince Andrew, and being chosen its igumen. He later founded and organized a second house, the Nikolsky Grekhozaruchnya monastery, in 1489.

Paisius lived into advanced age and died on June 6, 1504. The tradition remembers him as a teacher of holiness and a wonderworker, and his relics are said to rest beneath a crypt in the Protection monastery, where they are venerated as glorified by miracles. He is commemorated on June 6, the day of his repose, and also on January 8.