While there isn't a direct explanation of why she titled the story this way, here are some possible interpretations:
* Emphasizing Polly's Unique Role: "The Only" could highlight that Polly is the only one of her kind. This could refer to her personality, her circumstances, or her place in the community.
* Symbolic Significance: The word "Polly" could hold symbolic meaning within the story, representing a specific characteristic or theme. For example, "Polly" might symbolize innocence, strength, or a sense of belonging.
* Directness and Simplicity: The title is short, direct, and straightforward. It accurately reflects the story's focus on Polly's character and her journey.
To truly understand why Jewett chose the title "The Only Polly," it would be helpful to read the story and analyze the character of Polly within the context of the narrative.