The name Annistyn is a girl's name . Annistyn and is often added to lists like Baby Names Sure to Shock Grandma and discussed in our forums with posts like "Boy and girl makeover with middles".
From the experts:
What can we say? It's a phonetic spelling of a TV star's surname, it's a fancification of the name Ann/Annie with the trendy 'yn' ending attached. What can we say but please don't?