Possible Clues:

• Irish love coming back to place in Dublin Rising? It forms a pattern!
• Pattern of Campbell being a follower of Plymouth?
• Pattern on knitwear
• Common pattern for golf attire
• Lozenge-shaped design
• Sock option
• Varicolored diamond design
• Golf attire staple
• Pattern exceptionally large framing edge of doorway
• Radical European accepts grand design with diamonds