Possible Clues:

• 'Y Tu Mamá También' actor ___ García Bernal
• 'The Motorcycle Diaries' actor ___ Garcia Bernal
• Erse speaker, perhaps
• Big blow, say, for Irish speaker?
• Celt, e.g.
• Player of the field hockey-like sport shinty
• Celt taking young lady round European capital
• Windy Highlander?
• Sounds as if one gets the wind up in Ireland
• Speaker of 18-Down