Acts 15:37

And Barnabas counselled to take with them John called Mark,

Acts 12:12

also, having considered, he came unto the house of Mary, the mother of John, who is surnamed Mark, where there were many thronged together and praying.

Acts 12:25

and Barnabas and Saul did turn back out of Jerusalem, having fulfilled the ministration, having taken also with them John, who was surnamed Mark.

Acts 13:5

and having come unto Salamis, they declared the word of God in the synagogues of the Jews, and they had also John as a ministrant;

Acts 13:13

And those about Paul having set sail from Paphos, came to Perga of Pamphylia, and John having departed from them, did turn back to Jerusalem,

Colossians 4:10

Salute you doth Aristarchus, my fellow-captive, and Marcus, the nephew of Barnabas, (concerning whom ye did receive commands -- if he may come unto you receive him,)

2 Timothy 4:11

Lukas only is with me; Markus having taken, bring with thyself, for he is profitable to me for ministration;

Treasury of Scripture Knowledge

Summary

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

Bible References

John

Acts 12:12
also, having considered, he came unto the house of Mary, the mother of John, who is surnamed Mark, where there were many thronged together and praying.
Acts 13:5
and having come unto Salamis, they declared the word of God in the synagogues of the Jews, and they had also John as a ministrant;
Colossians 4:10
Salute you doth Aristarchus, my fellow-captive, and Marcus, the nephew of Barnabas, (concerning whom ye did receive commands -- if he may come unto you receive him,)
2 Timothy 4:11
Lukas only is with me; Markus having taken, bring with thyself, for he is profitable to me for ministration;
Philemon 1:24
Markus, Aristarchus, Demas, Lukas, my fellow-workmen!