JayKlynn
Jane - JayKlynne is a horrible mess that will never be spelled or pronounced correctly.
Jacqueline Jane would be nice.
Karley Leighanne - Karley looks childish and Leighanne is unnecessarily complicated; what's wrong with
Leanne,
Lianne, or
LeeAnn?
Denver Elizabeth -
Denver just isn't a name to me. Also, the boyish place name/surname combined with a traditional filler middle name is a very trendy combination.
Gracie Kendall -
Gracie looks very childish.
Grace with the nickname
Gracie would be much better and give her more options as an adult.
Kendall is trendy and masculine but I don't have a huge problem with it as a middle name.