Acts 15:37

And Barnabas was desiring to take with them John also, who was called Mark.

Acts 12:12

And, having considered it, he went to the house of Mary, the mother of John who is surnamed Mark; where many were gathered together and were praying.

Acts 12:25

And Barnabus and Saul returned from Jerusalem, having fulfilled their ministry, taking with them John who was surnamed Mark.

Acts 13:5

And, having arrived in Salamis, they declared the word of God in the synagogues of the Jews; and they had John also as an attendant.

Acts 13:13

Now setting sail from Paphos, Paul's company came to Perga in Pamphylia; and John, withdrawing from them, returned to Jerusalem.

Colossians 4:10

Aristarchus, my fellow-captive, salutes you, and Mark, the cousin of Barnabas, concerning whom ye received commandments (if he come to you, receive him),

2 Timothy 4:11

Only Luke is with me. Taking Mark, bring him with you; for he is useful to me for ministering.

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 considered it, he went to the house of Mary, the mother of John who is surnamed Mark; where many were gathered together and were praying.
Acts 13:5
And, having arrived in Salamis, they declared the word of God in the synagogues of the Jews; and they had John also as an attendant.
Colossians 4:10
Aristarchus, my fellow-captive, salutes you, and Mark, the cousin of Barnabas, concerning whom ye received commandments (if he come to you, receive him),
2 Timothy 4:11
Only Luke is with me. Taking Mark, bring him with you; for he is useful to me for ministering.
Philemon 1:24
as do Mark, Aristarchus, Demas, Luke, my fellow-workers.