Who is Mrs. Mooney from Short Story Masterpieces and what is their importance?

Mrs. Mooney is Polly's mother in the story, 'Boarding House.' A single mother, Mrs. Mooney subtley plans her daughter's future. She makes Polly leaver her job as a typist, and instead, puts her in charge of entertaining the men at the boarding house. She dangles Polly in the faces of the men at the boarding house until she is finally able to catch one.