St. George was tortured and beheaded about the year 304 at Lydda, Palestine.
He was stoned to death about the year AD33 or 34.
Very little is known about St. Valentine, including his age when he was martyred.
Lucy was 21 years of age when she was martyred.
St Stephen was the first man to be martyred and could be called the first saint, though there were a few older such as St John the Baptist and St Joseph.
St. Vincent de Paul was not martyred. He died of natural causes on September 27, 1660. He is remembered for his extensive charitable work and dedication to serving the poor and marginalized.
Vincent de Paul was not martyred. He died of natural causes.
Both Peter and Paul were martyred in Rome.
St. Peter was martyred in Rome around 64-67 AD, where he was crucified upside-down at his own request. St. Paul was also martyred in Rome around 64-67 AD, where he was beheaded due to his beliefs as a Christian. Both saints were persecuted during the reign of Emperor Nero.
Saint Paul who was martyred in the persecution of Diocletian about 305 at Porto Romano at the mouth of the River Tiber. Not to be confused with St. Paul the Apostle.
St. Catherine of Siena was not martyred. She died of a stroke at the age of 33 in 1380.
Nero.
St. Cassian
she was martyred
As far as is known, Luke was not martyred but died of natural causes at an advanced age.
.Catholic AnswerThe origin of the Latin Rite Church in Rome is Our Blessed Lord and Savior, Jesus Christ, who sent his Apostles, Peter and Paul to convert Rome. Peter was head of His Church, and both of them were martyred in Rome. St. Peter is buried under the high altar in St. Peter's Basilica in the Vatican, and St. Paul in buried in St. Paul-outside-the-walls.
He was martyred for his faith.