Gwyn
  m.
  
  Welsh gwyn 'fair, white; blessed' from Proto-Celtic *windo 'white'.
  
  
  
  
  Cf. Wynn for an English cognate.
 
  
- Wales
 
- 
- Latin
 
- ● 1216xc1226 Gwin (gen) Pryce-1st;
 1456 Gwyn (nom) ArchCambIII p. 258;
 1457 Gwyn (nom) ibid. p. 259
 
 
Cite as: S.L. Uckelman. "Gwyn". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Gwyn.