Possible Clues:

• Relative to visit regularly when husband's away
• Passage from saga, untold relation
• The way you get a female insect around
• Patty or Selma, to Lisa Simpson
• Jemima on a pancake box
• This might make Sally a shy one
• Her letters are primarily about usual nuptial troubles
• Sally is in Malaga until Easter
• Agatha or Dahlia, to Bertie Wooster
• One hugged by attending female sympathiser?