Possible Clues:

• Philanthropist Brooke __
• Trader for whom a northwest Oregon city was named
• Mary who played Brigid O'Shaughnessy in "The Maltese Falcon"
• Patron of Audubon
• Fur tycoon on the Titanic
• Mary of 'Don Juan'
• Commodore Vanderbilt contemporary
• Nancy __, first female MP to take her seat, and after whose family several New York landmarks are named
• Topping minister, pioneering politician
• Former lady in Parliament? Bright star, but no leader