Menleigh? Seriously?
I like
Milly as a nickname, but don't care for
Mildred at all.
Mi'Yhona Passion = "my own passion"? Whatever it's supposed to be, Passion is ridiculously stripperish/pornish.
Mazzy Blue sounds like another celeb-kid name. There seem to be an awful lot of these two-syllable-nickname+word-middle-name combos lately. From what I've seen,
Rain is becoming the new "filler" middle name.