Possible Clues:

• Does it bring luck if mother rests here?
• Mum's little house has charm
• Bringer of luck for French gentleman at race meeting
• What a lucky little Scottish mother!
• Army's mule, for one
• Columbia University's Roaree the Lion, for one
• Something lucky maiden found on course
• Georgia's bulldog or Princeton's tiger
• Thing believed to bring good luck to its owner
• Team's lucky person/thing