The first name Glad is of English, Welsh origin. It is often a girl name. It has the following meaning(s):
English: Happy
Welsh: Diminutive of Gladys: Derived from the Old Welsh Name Gwladys, a Variant of Claudia, Meaning Lame. Also Derived from the Welsh 'Gwledig', Meaning Territorial Ruler
Gladys(French) Variant of Claudia: a Feminine Form of Claud, a Variant of the Latin Claudium Meaning Lame. Claudia Was Mentioned in the Book of Timothy in the New Testament, and Has Been Common in the English-speaki
Gladys(Welsh) Form of Claudia, in Anglo-saxor: a Sword
Gladys(Welsh) Derived from the Old Welsh Name Gwladys, a Variant of Claudia, Meaning Lame. Also Derived from the Welsh 'Gwledig', Meaning Territorial Ruler. Famous Bearer: British Actress Dame Gladys Cooper
Hilaire(French) French Form of Hilary: Joyful; Glad