Heidy \he(i)-dy\ as a girl's name is a variant of Heidi. See for origin and meaning of Heidy.

The baby name Heidy sounds like Hedy, Heidey, Heide and Heida. Other similar baby names are Hildy, Hetty, Hedly, Haily, Hedda, Hedi, Heddi, Heda, Hedya, Heike, Laidy, Leida, Reida, Reid and Veida.