And he went through Syria and Cilicia, confirming the churches.

People's New Testament

15:41 Went through Syria and Cilicia. We have no account of the founding of these churches, but we know that Paul had before this labored in these parts. See Ga 1:21.

Jamieson-Fausset-Brown Bible Commentary

41. and he went through Syria and Cilicia, confirming the churches-"It is very likely that Paul and Barnabas made a deliberate and amicable arrangement to divide the region of their first mission between them; Paul taking the continental, and Barnabas the insular, part of the proposed visitation. If Barnabas visited Salamis and Paphos, and if Paul (travelling westward), after passing through Derbe, Lystra, and Iconium, went as far as Antioch in Pisidia, the whole circuit of the proposed visitation was actually accomplished, for it does not appear that any converts had been made at Perga and Attalia" [Howson]. "This second missionary tour appears to have proceeded at first solely from the desire of visiting the churches already planted. In the end, however, it took a much wider sweep, for it brought the apostle to Europe" [Olshausen].

Matthew Henry's Concise Commentary

15:36-41 Here we have a private quarrel between two ministers, no less than Paul and Barnabas, yet made to end well. Barnabas wished his nephew John Mark to go with them. We should suspect ourselves of being partial, and guard against this in putting our relations forward. Paul did not think him worthy of the honour, nor fit for the service, who had departed from them without their knowledge, or without their consent: see ch.