The name Barnabas is a boy's name of Aramaic origin meaning "son of consolation". Barnabas and is often added to lists like Bible Names for Boys and discussed in our forums with posts like "GP or usable?".
From the experts:
Barnabas, whose birth name was Joseph, was one of the earliest Christian disciples in Jerusalem, who undertook missionary journeys with Paul the Apostle, His name is a bit Old World compared to the update Barnaby, but could gain some attention as boys' names ending in 's' are enjoying a comeback.