Related Clues:

• Welshman or Irishwoman, e.g.
• Invader of Rome in 390 B.C.
• Boston cager, briefly
• Bird, e.g., once
• Welshman, for one
• Hebrides resident
• Welshman or Scot
• Pre-Roman inhabitant of Ireland and Britain
• Such as this, there's about fifty, etc. in Ireland
• That's no 11 across
• Worshiper of the sun god Beal
• European of the Iron Age
• NBAer, in headlines
• Hibernian, for one
• Breton, e.g