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 "Name the Little League Team (+their families)".
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?