Madelayne \m(a)-delay-ne, mad(e)-layne\ as a girl's name is a variant of Madeline (Hebrew), and the meaning of Madelayne is "woman from Magdala".
The baby name Madelayne sounds like Madelyne and Madelaine. Other similar baby names are Madelynne, Madelynn, Madelyn, Madelene, Madeleine and Marlayne.