Nooka I see your point but with Corin, it's that pronunciation that we want (rhymes with foreign), and having done some straw-poll threads on here, if you spell it Corrine or Corinne, you tend to get people assuming it's pronounced either Co-REEN or Co-RINN.
Now I know that it (or variants) can also be spelt Corenne, Coryn or Corynne, that just sort of throws me into further confusion! At least with Corin there's only possible pronunciation?! <sits back and waits for someone to come along and proclaim that they'd pronounce Corin as Dave, or similar...>
Audrey is nice but we have one in the family and I don't really want to repeat it. I love Aurora and Aurelia but they just don't work with our surname.
Aggggh I reckon I'll put Delphine back on the list - hardly anyone ever says they dislike that!
Ah, well that's because that is how you pronounce Corinne! If you really want your child to be called Corin (cor-in) then I guess you need to call them that, but then people will generally assume she is a boy, which might not bother you, but might bother her (or not). How about Coral, if it's the sound you like?