Modern invented name, likely combining Tray and the suffix -lon.
Treylon is a contemporary American creation without a single traditional etymology. It likely blends the name Tray, often a nickname for 'the third' (from the French 'trois'), with the popular rhythmic suffix '-lon', influenced by names like Waylon or Jalon.
Less common today
Treylon isn't in the latest US Top 1000. It last peaked at #3,292 in 2000.
US births per 5-year period, 1990βpresent (SSA data).
NFL wide receiver for the Tennessee Titans