Hierarch Pitirim, Bishop of Perm

CRITICAL: date corrected from "August 29" to August 19/September 1 (individual commemoration, established 1522); a second, collective feast added — January 29/February 11, the "Synaxis of the Three Hierarchs of Perm" together with Saints Gerasim and Jonah, confirming the visually identified triptych icon "St. Pitirim, St. Gerasim, St. Jonah."

Saint Pitirim was abbot of the Chudov Monastery in Moscow from 1440, and in 1447 was made the fourth Bishop of Great Perm, succeeding St. Gerasim (d. 1441, also killed by a Vogul servant during a missionary journey). He continued the work of Equal-to-the-Apostles Stephen of Perm — enlightening the Zyrian (Komi) people — and extended preaching to the pagan Vogul (Mansi) tribes.

He is also known as a church writer and hymnographer, composing a canon to St. Alexius, Metropolitan of Moscow, and gathering material for his Life. He died during an armed Vogul raid on Ust-Vym, reportedly the raiders' first victim. He was succeeded by St. Jonah of Perm (d. 1470), who completed the conversion of the remaining pagan tribes along the Vychegda, Kama, and Chusovaya rivers.

The three hierarchs — Gerasim, Pitirim, and Jonah — are venerated together as the enlighteners of the Perm land, continuers of St. Stephen of Perm's mission.