Acts 15:37
Now Barnabas wanted to take John who was called Mark along also,
Acts 12:12
And [when he] realized [this], he went to the house of Mary, the mother of John (who is also called Mark), where many [people] were gathered together and were praying.
Acts 12:25
So Barnabas and Saul returned to Jerusalem [when they] had completed [their] service, having taken along with [them] John (who is also called Mark).
Acts 13:5
And [when they] came to Salamis, they began to proclaim the word of God in the synagogues of the Jews. And they also had John [as] assistant.
Acts 13:13
Now {Paul and his companions} put out to sea from Paphos [and] came to Perga in Pamphylia, but John departed from them [and] returned to Jerusalem.
Colossians 4:10
Aristarchus, my fellow prisoner, greets you, and Mark, the cousin of Barnabas (about whom you received instructions--if he should come to you, welcome him),
2 Timothy 4:11
Luke alone is with me. Take along Mark [and] bring [him] with you, because he is useful to me for ministry.