Grace; variation of Ann or Aniston
Annistyn is a modern American invention, likely inspired by the surname Aniston (made famous by actress Jennifer Aniston) combined with the traditional name Ann. It follows the contemporary trend of adding the '-tyn' or '-lyn' suffix to established names to create a unique, feminine sound.
Less common today
Annistyn isn't in the latest US Top 1000. It last peaked at #1,482 in 2019.
US births per 5-year period, 1990βpresent (SSA data).