Gwalchmei

Derived from Welsh gwalch "hawk", possibly combined with mei "May (the month)". This is the name of a character in Welsh legend. He is probably the antecedent of Gawain from Arthurian romance.

OTHER FORMS
ARTHURIAN ROMANCE: Gawain, Walganus
ENGLISH: Gavin
SCOTTISH: Gavin
WELSH: Gawain