Kristy is a fine name, though the spelling bothers me just a little because it's one letter away from 'Krusty' as in the Krusty Krab, though I know no one will be reading that far into it. I personally like Christie best.
I see this as a girls name, but I do know a male called Kristy. I think it is a nice name for a girl but not a boy. It is too feminine sounding to be for a boy.
This is my name and I do like it. I wish it were short for something instead of it being my full name. The one thing that I don't like about it is that people always assume it is Christy or some form that starts with a C.
Opposite for me, I'm Christy. And I have been called Kristi, Kristy, Kristie, Krissy, Kris, Chrissy, Christie, Cristy, Cristie, and Chris. I sometimes want to scream "IT'S CHRISTY!" Plus, again, like I said at Kristi, it wipes Christ out of the name. Otherwise, meh.