As far as is known, Luke was not martyred but died of natural causes at an advanced age.
It is believed that St. Luke died around the age of 84.
Luke died about the year 74AD in Greece, not in Rome. Some say he was martyred, others say he died of natural causes.
St. Catherine of Siena was not martyred. She died of a stroke at the age of 33 in 1380.
St. Cassian
she was martyred
St. Luke is thought to have been a physician.
He was martyred for his faith.
St. Lucy was martyred in Syracuse, Sicily, Italy.
None. However, St. Valentine of Rome was martyred and the feast day is named for him. We do not know the date he died.
Agatha was born in Sicily and was martyred there.
She was martyred in Rome in the third century.
St. George was tortured and beheaded about the year 304 at Lydda, Palestine.