Gift of God; lake
A modern American invention, Mattelyn likely combines the Hebrew-rooted 'Matt' (meaning gift of God) with the popular 'lyn' suffix (meaning lake). It functions as a feminine elaboration of Matthew or a variation of Madelyn.
Less common today
Mattelyn isn't in the latest US Top 1000. It last peaked at #9,545 in 2010.
US births per 5-year period, 1990–present (SSA data).
