Gwladys \g(w)-lad-ys, gwl(a)-dys\ as a girl's name is a variant of Gladys (Welsh). See for meaning of Gwladys.
The baby name Gwladys sounds like Gwyladyss, Gladyss, Gladis and Gladdys. Other similar baby names are Glade, Gladi, Gladdis, Glad, Glenys, Glinys and Goldy.