Possible Clues:

• Blair on a trip to a hall that's this grand?
• Old Irishman briefly attached to pub belonging to a peer
• Impressive in appearance
• Lordly advocates on trial -- transactions deferred
• Imposing pub I'll enter on a lake
• Style of envelope for greeting cards
• Pertaining to a lower noble
• Saloon ahead, to which I've taken almost all of the nobility
• Pertaining to a peer of the lowest rank