Noble waterfall or small noble one
Edlyn is an English name derived from Old English elements. It combines 'aethel', meaning noble, with the suffix 'lyn', which can refer to a waterfall or lake in Welsh or simply serve as a diminutive suffix. It represents a rare, softer alternative to names like Edith or Adeline.
Less common today
Edlyn isn't in the latest US Top 1000. It last peaked at #4,584 in 1990.
US births per 5-year period, 1990βpresent (SSA data).