"Brand New Harpy saves the day"
-- match report published in the Daily Prophet (DP3)
Valmai is a Welsh girl's name, partly deriving from the word Mai (meaning the month of May or denoting springtime) and may mean "Mayflower" (BabyNamespedia). Another possibility is that it is a female form of the Welsh boy's name Gwalchmai ("Hawk of May") and which becomes the name Gawain in Arthurian legend. Note: There is no letter "v" in the Welsh language.
Morgan was originally the first name Morcant, which evolved into Morgan during the medieval period. Y môr means "the sea" in Welsh and the name is thought to mean "sea chief" or "sea defender" (Internet Surname Database).