There are probably several saints that could fit the description but St. Augustine of Hippo is the best known as well as Saint Gabriel Possenti.
Saint Anthony of Padua was a Franciscan priest by occupation.
Saint Matthew was a tax collector for the Roman government. Next he became an apostle of Jesus Christ. After he was martyred he became a saint.
Saint Nicholas
She became known as "The Saint of the Gutters."
Saint Matthew's real name was Levi before he became one of the twelve apostles of Jesus.
She was alive. Once she ceased to be alive, she became a saint. Beyond that fact, there is no reliable information about the life of Saint Lucy.
Tradition says that he was a farmer before he became a disciple.
The overseers later became known as priests. Justin was an early Christian apologist.
Saint John was one of the twelve apostles of Jesus, and known to be the one most beloved by Christ. The apostles weren't canonized, but became saints, nonetheless. Therefore, there is no known date of when he became a saint.
Before Paul became a Christian he was called Saul. When he became a Christian his name was changed from Saul to Paul
Saul of Tarsus
how do you think he became a saint