Modern invented name, possibly related to dread or Drayton
Dredyn is a contemporary American invention with no singular etymological root. It likely evolved as a creative variation of names like Drayden or Jaden, or as a phonetic combination of the word 'dread' (in the sense of awe or reverence) with the popular '-dyn' suffix.
Less common today
Dredyn isn't in the latest US Top 1000. It last peaked at #4,106 in 2011.
US births per 5-year period, 1990βpresent (SSA data).