Modern invented name, possibly meaning three or land
Treylan is a contemporary American coinage. It likely combines the prefix 'Trey' (meaning three) with the popular 'lan' suffix found in names like Dylan or Nolan, or it may be a variation of Traylen.
Less common today
Treylan isn't in the latest US Top 1000. It last peaked at #6,266 in 2000.
American college football player
US births per 5-year period, 1990βpresent (SSA data).