Mark, St. One of the four Evangelists. He is traditionally identified with the cousin of Barnabas who accompanied him and Paul (Colossians 4. 10; Acts 12–15). According to Papias he was the ‘interpreter’ of Peter in Rome (cf. 1 Peter 5. 13). By the 4th cent. he was credited with founding the church of Alexandria. His relics were removed from there to Venice in the 9th cent. Feast day, 25 Apr.

The Gospel according to Mark is the second book in the New Testament.

Mark, Saint (active 1st century ad) Apostle and possibly one of the four evangelists of the New Testament. He is identified with John Mark (Acts 12:12. 15:37), the cousin of the apostle Saint Barnabas. He accompanied both Barnabas and Saint Paul on several missionary journeys until a disagreement with Paul caused him to detach himself. Christian tradition says that he went on to become secretary to Saint Peter and to write the first gospel. His feast day is April 25.