"Gladdys \g-ladd-ys, gl(ad)-dys\ as a girl's name is a variant of Gladys (Welsh). See for meaning of Gladdys.
The baby name Gladdys sounds like Gladdis, Gwladys, Gladyss and Gladis. Other similar baby names are Candys, Claudy, Glade, Gladi, Glad, Glenys, Glennys and Glinys."