Acts 15:37
And Barnabas determined to take with them John, he being called 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 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 13:5
And when they were at Salamis, they announced the Word of God in the synagogues of the Jews. And they also had John as an assistant.
Acts 13:13
And Paul and those around him sailed from Paphos and came to Perga of Pamphylia. And John left them and returned to Jerusalem.
Colossians 4:10
Aristarchus my fellow prisoner greets you, and Mark, the cousin of Barnabas (regarding whom you received commandments; if he comes to you, receive him),
2 Timothy 4:11
Only Luke is with me. Take Mark and bring him with you, for he is profitable to me for the ministry.