St. Paul of Thebes († c. 341), also known as Paul the First Hermit, is considered the first Christian hermit, fleeing persecution to live in the desert of Thebes for over 90 years. According to tradition, he was sustained by a raven bringing bread, as described by St. Jerome in his Life of Paul the Hermit. His feast day is January 15. His relics were reportedly moved from Venice to Buda in 1381 by the monks of the Order of St. Paul the First Hermit.
Bl. Peter of Geremia († 1452) was a Dominican friar known for his preaching and miracles. Initially studying law in Bologna, he joined the Dominicans in 1422 after a mystical experience. He became a prominent preacher, served as prior in Palermo, and mediated at the Council of Florence (1431–45). He is credited with miracles, such as stopping a volcanic eruption at Mount Etna. His feast day is March 3.
St. Olivia of Palermo († 463) was a Christian virgin-martyr kidnapped by Saracens, taken to Tunis, and later martyred for her faith around 892 AD. She is a patroness of Palermo, and her feast day is June 10. Her relics were venerated in Palermo, and she was one of the city’s protectors until replaced by St. Rosalia in the 17th century.