Of Magdala or high tower
Madyn is a modern creative spelling of Madeline or Madelyn. It ultimately derives from the Hebrew name Magdalene, referring to Mary Magdalene from the village of Magdala, which means 'tower'.
Less common today
Madyn isn't in the latest US Top 1000. It last peaked at #5,419 in 2008.
US births per 5-year period, 1990βpresent (SSA data).