Noble lake or noble waterfall
Eralynn is a modern American invention, likely created by combining the Germanic element 'Era' (derived from names like Erna or Erika, meaning noble or honorable) with the popular Welsh suffix 'Lynn' (meaning lake). It follows the contemporary trend of blending traditional sounds to create a unique, melodic identity.
Less common today
Eralynn isn't in the latest US Top 1000. It last peaked at #9,374 in 2016.
US births per 5-year period, 1990βpresent (SSA data).