Melainey \m(e)-lai-ney\ as a girl's name is a variant of Melanie (Greek), and the meaning of Melainey is "black, dark-skinned".
The baby name Melainey sounds like Melanney, Melaney and Melaine. Other similar baby names are Delainey, Meline, Delaney, Delainy, Delaine, Helaine, Melvine, Melloney, Melany, Melanee, Melaina and Malaney.