Quick answer
Gwyneth is a girl name.
Pronunciation: Welsh /ˈɡwɪn.ɛθ/; English /ˈɡwɪn.ɪθ/.
Meaning and history
Probably a variant of Gwynedd. It has been common in Wales since the 19th century, perhaps after the Welsh novelist Gwyneth Vaughan (1852-1910), whose real name was Ann Harriet Hughes. A modern famous bearer is the American actress Gwyneth Paltrow (1972-).
Notes and context
Usage: welsh, english