Saint Simon Stock, an Englishman who lived in the 13th century, was an early prior general of the Carmelite religious order. He lived as a hermit in a hollow tree trunk of an oak tree.

There is no mention of a St. Matthias among the lists of disciples or followers of Jesus in the three synoptic gospels, but according to Acts, he had been with Jesus from his baptism by John until his Ascension.

St. John the Silent was born in 454 AD in Nicopolis, Armenia. He came from a family of mainly generals and governors. He obtained a reputation for leadership and sanctity. 

St. Peter of Tarentaise was born near Vienne, in Dauphine, France, and joined the Cistercian Order at Bonneveaux at the age of twenty with his two brothers and father.

St Rose Venerini was born at Viterbo in 1656, the daughter of Godfrey Venerini, a physician. Upon the death of a young man who had been paying court to her, she entered a convent at her early age. 

St. Dominic Savio was born on April 2, 1842, in the village of Riva in northern Italy. His father was a blacksmith and his mother a seamstress.

St. Hilary of Arles was born to a noble family in Lorraine and was successful, although he gave up his secular career to join St. Honoratus at Lerins Abbey.

Saint Florian was adopted as patron saint of Poland in 1184 when Pope Lucius III consented to the request of King Casimir II to send relics of Florian to that country. 

St. James the Lesser, the author of the first Catholic Epistle, was the son of Alphaeus of Cleophas. His mother Mary was either a sister or a close relative of the Blessed Virgin.

St. Athanasius, also known as Athanasius the Great and Athanasius the Confessor, was a bishop and doctor of the church. He is called the "Father of Orthodoxy,".