Likely a modern variant of Madeline, meaning woman from Magdala.
Maydelin is a creative modern spelling of the classic name Madeline or Madelyn. It ultimately traces back to the New Testament figure Mary Magdalene, referring to the town of Magdala on the Sea of Galilee. The 'May' prefix adds a contemporary, phonetic flair popular in Hispanic-American naming traditions.
Less common today
Maydelin isn't in the latest US Top 1000. It last peaked at #6,658 in 2022.
US births per 5-year period, 1990βpresent (SSA data).