Likely a modern invented name combining Braxton and Hayden.
Braxden is a contemporary American invention, likely created by blending the popular surname-name Braxton with the trendy '-den' suffix found in names like Jayden or Hayden. While it lacks a traditional etymological root, it carries the stylistic weight of English habitational names.
Less common today
Braxden isn't in the latest US Top 1000. It last peaked at #4,451 in 2013.
US births per 5-year period, 1990βpresent (SSA data).