Possible Clues:

• Post finally upgraded from second class by New Orleans girl
• Lunden or Baez
• 'Mad Men' character Harris periodically involved with Roger SterlinG
• 'Play It as It Lays' author Didion
• Musician Baez
• With 34 Across, 'I Need Someone' rocker
• Rivers of New York City
• ___ Watson, role for Lucy Liu on 'Elementary'
• Old man's sweetheart portrayed as 20 by 28
• Woman's name in English that's a man's name in Catalan