Quick answer
Dax is a boy name.
Meaning and history
From an English surname, which was derived either from the town of Dax in France or from the Old English given name Dæcca (of unknown meaning). The name was brought to public attention by the main character in the 1966 novel The Adventurers and its 1970 movie adaptation. It became popular in the 2010s due to its similarity to other names like Max and Jax.
Notes and context
Usage: english