Likely a modern invented name or variant of Braden
Blayden is a contemporary American invention, likely created by blending the popular '-aden' suffix with the 'Bl-' sound from names like Blake or Blaine. It may also be a phonetic variation of the Irish surname Braden, which means 'salmon'. As a modern coinage, it lacks a singular historical etymology.
Less common today
Blayden isn't in the latest US Top 1000. It last peaked at #2,349 in 2010.
US births per 5-year period, 1990βpresent (SSA data).