37 Now Barnabas had resolved to take with him John, whose surname is Mark.
Acts 15:37 Cross References - Haweis
Acts 12:12
12 And after considering with himself, he went to the house of Mary the mother of John, who is surnamed Mark; where many were thronged together, and praying.
Acts 12:25
25 Then Barnabas and Saul departed from Jerusalem, having completed the distribution [of the sum entrusted with them]; and they took with them John, whose surname was Mark.
Acts 13:5
5 And being at Salamis, they preached the word of God in the synagogues of the Jews: and they had John also as their attendant.
Acts 13:13
13 Hereupon sailing from Paphos, they who were about Paul came to Perga in Pamphylia: but John departing from them returned to Jerusalem.
Colossians 4:10
Philemon 1:24
24 Mark, Aristarchus, Demas, Luke, my fellow-labourers.