Possible Clues:

• If one knew her, what use is that?
• 'Wake Up Little --'
• 'Rugrats' girl
• Girl that's following leading star's usually strumpet
• … that is following South American girl
• Mason didn't spell Miss Wong's name thus (one could make an issue of it)
• Actress Essman
• Girl is lining up petition
• Little Susannah
• '___ Darlin'' (1958 hit)