Acts 15:37

And Barnabas wanted to take along John called Mark.

Acts 12:12

And having realized it, he came to the house of Mary the mother of John, surnamed Mark, where a considerable were gathered and praying.

Acts 12:25

And Barnabas and Saul turned back in Jerusalem after fulfilling the service, also having taken along John who was surnamed Mark.

Acts 13:5

And after becoming in Salamis, they proclaimed the word of God in the synagogues of the Jews, and they also had John for a helper.

Acts 13:13

Now those around Paul, having launched from Paphos, they came to Perga in Pamphylia. But John, having departed from them, returned to Jerusalem.

Colossians 4:10

Aristarchus my fellow prisoner salutes you, and Mark, the cousin of Barnabas (about whom ye received orders, if he comes to you, welcome him),

2 Timothy 4:11

Only Luke is with me. Having taken Mark, bring him with thee, for he is useful to me for service.

Treasury of Scripture Knowledge

Summary

And Barnabas determined to take with them John, whose surname was Mark.

Bible References

John

Acts 12:12
And having realized it, he came to the house of Mary the mother of John, surnamed Mark, where a considerable were gathered and praying.
Acts 13:5
And after becoming in Salamis, they proclaimed the word of God in the synagogues of the Jews, and they also had John for a helper.
Colossians 4:10
Aristarchus my fellow prisoner salutes you, and Mark, the cousin of Barnabas (about whom ye received orders, if he comes to you, welcome him),
2 Timothy 4:11
Only Luke is with me. Having taken Mark, bring him with thee, for he is useful to me for service.
Philemon 1:24
and Mark, Aristarchus, Demas, Luke, my co-workmen.