In the Unknown origin, Gayne means "Gayne \ga(y)-ne\ as a boy's name is a variant of Gaines. See for origin and meaning of Gayne.
The baby name Gayne sounds like Gwayne, Gaine and Kayne. Other similar baby names are Bayne, Dayne, Gaynes, Gayle, Gayner, Layne, Mayne, Payne, Rayne, Wayne and Zayne."