The first name Dewy is ♀ female and ♂ male.
The origin of the name Dewy is uncertain. The boy’s name Dewy is possibly a variant of the name Dewey, which derived from the name Dewydd, an Old Welsh variant of the Hebrew name David. The girl’s name Dewy might be a form of the Indian name Devi.
The boy’s name Dewy means “beloved” or “uncle” and the girl’s name means “gooddess”.