Son of Maud or woman from Magdala
Madesyn is a modern creative spelling of Madison. It originally derived from an English surname meaning 'son of Maud' or was used as a variant of Madeline, which refers to Mary Magdalene of the New Testament.
Less common today
Madesyn isn't in the latest US Top 1000. It last peaked at #7,057 in 1998.
US births per 5-year period, 1990βpresent (SSA data).