Modern invented name, likely a variant of Jackson
Jaxan is a contemporary American invention, most likely created as a creative spelling of Jackson or Jaxon. It follows the popular trend of using the 'x' consonant and the 'an' suffix to create a unique yet familiar sound. Because it is a modern coinage, it does not have a traditional etymological root beyond its connection to the name Jack.
Less common today
Jaxan isn't in the latest US Top 1000. It last peaked at #6,020 in 2017.
US births per 5-year period, 1990βpresent (SSA data).