(a) A name usually given to females and is derived from the male names "Alexander, Alessandro"
(b) Short for "Allison, Alexandra, Alexandria, or Alessandra."
(c) People with this name are usually goodlooking/attractive, smart, funny, and very nice.
(d) It literally means "protector of mankind"
"Allie is the prettiest, smartest, funniest, nicest, most awesome girl in my class."