Who has rules to their names?

Kristin • 37 working on baby #4. THE FINAL COUNTDOWN 😀
All  my names must have a Y.
Boys always start with Jay have 6 letters and middle names start with J as well. 
Jayven Jeffery 
Jaykob Jett
My mystery baby will be 
JayTee James if a boy
Girls I have one 
Karyssa Rain 
Mystery baby girl will be 
Kaydance Ranay 
Or Kayzlee Rose need help deciding on that one.