Acts 12:25
And Barnabas and Saul returned from Jerusalem when they had fulfilled the ministry, having taken with them John, whose last name was Mark.
Acts 12:12
And thinking about it, he came to the house of Mary the mother of John, whose last name was Mark; where many had gathered together to pray.
Acts 4:36
And Joses, who was surnamed Barnabas by the apostles (which is, being translated, The son of consolation), a Levite, a Cypriot by race,
Acts 11:29-30
And the disciples, as any were prospered, determined each of them to send for ministry to those brothers who lived in Judea,
Acts 13:1-52
And in Antioch some among the existing church were prophets and teachers. (such as Barnabas, and Simeon who was called Niger, and Lucius of Cyrene, and Manaen, the foster-brother of Herod the tetrarch) and Saul.
Acts 15:37
And Barnabas determined to take with them John, he being called Mark.
1 Peter 5:13
The fellow-elected in Babylon greet you; also Mark my son.