Joan Waters: From Cantankerous Neighbor to Unlikely Ally

Overview

Joan Waters is the sharp-tongued, orthotic-wearing neighbor who first appears as a prickly antagonist in Mad Mabel. Elsie describes her as "litigious, and a real piece of work." Yet by the novel’s end, Joan becomes one of Elsie’s most steadfast defenders—a transformation that mirrors the book’s central themes of misjudgment, reinvention, and the quiet power of community. This analysis traces Joan’s arc from suspicious pen-pal to protective ally, using evidence from Sally Hepworth’s 2026 novel.

Plot Role

Joan enters the story as a corrosive force. She fires off letters about porch lights and bin placement, each note signed with the implicit threat of her nephew the lawyer. When Elsie’s neighbor Ishaan dies, Joan immediately reports Elsie’s hidden past to the police. She is the one who whispers “Don’t you know who she is?” at the impromptu street gathering. Yet Joan’s role is not purely adversarial. She becomes the catalyst for the media firestorm that forces Elsie to finally tell her truth, and—after witnessing Elsie’s bravery in defending Roxanne—she pivots to becoming Elsie’s legal lifeline, using Bailey’s expertise to navigate the investigation. Her transformation demonstrates that first impressions can be dangerously incomplete.

Motivations and Traits

Why Joan Suspects Elsie

Joan’s suspicion stems from fear, not malice. After her nephew Bailey researched the street, he told her who Elsie really was: a woman with a past conviction for killing her father and aunt. Joan admits she “was afraid” and hoped Elsie would move away or die. Her litigious nature (the letters, the constant reference to Bailey’s law firm) is a shield—a way to establish control in a situation that frightens her.

Key Traits Illustrated Through Action

• Judgmental but fair-minded: Joan calls Elsie “dangerous” but later acknowledges her error. She says “None of the neighbors were concerned. You’re incredibly beloved in Kenny Lane. That says something.”
• Practical: She doesn’t offer empty apologies; she brings Bailey to drive Elsie home and offers legal advice.
• Loyal (once convinced): After she decides Elsie is innocent, she stands with Peter and Roxanne to protect Elsie from the vigilante painter who defaces her house.
• Indirect communicator: Joan’s apology comes through her actions—talking about Elsie’s bravery, praising Peter, and insisting Bailey help. She never says “I’m sorry” outright, but her meaning is clear.

Chronological Arc

Before the Story Begins

Joan moves onto Kenny Lane about a year before the novel opens, having researched Elsie’s past. She immediately begins sending notes about various grievances, never speaking aloud.

Chapters 2–7: The Accusation

After Ishaan’s death, Joan is the only neighbor who refuses to dismiss Elsie’s possible guilt. At the street scene, she shouts that Elsie should be investigated. When Elsie jokes that Persephone might be the killer, Joan responds with a harsh “Why is no one listening to me?” She is isolated in her suspicion.

Midpoint: The Turning Point

When a violent man threatens Roxanne’s door, Elsie confronts him alone. Joan witnesses this bravery. At the same time, Joan’s nephew Bailey talks to the police and learns the evidence is flimsy. Joan begins to question her earlier certainty.

Chapters 50–56: The Apology

Bailey drives Elsie home from the police station. In the car, Joan explains that she told the police about Elsie’s past because she was afraid. She then lists all the neighbors who adore Elsie—Peter, Roxanne, Persephone, the Nguyens—and concludes that “it doesn’t sound like the kind of thing a killer does.” She offers Bailey’s legal help.

Final Chapters: Ally

Joan becomes part of Elsie’s protective circle. She stands with Peter outside Elsie’s house after the “MAD” graffiti appears. In Chapter 77 (retrieved evidence), she jokes about the flowers arriving like “Buckingham Palace after Diana died.” She and Peter begin a romantic relationship, united by their renewed respect for Elsie.

Relationships

With Elsie (Elsie Mabel Fitzpatrick)

The relationship evolves from adversarial to quietly respectful. Joan initially sees only a murderer; later she sees an elderly woman who “saved [Persephone’s] life twice.” The final bond is understated—Joan’s dry humor matches Elsie’s—and the two share a moment when Elsie says “I have a feeling you think very highly of Peter, Joan,” and Joan withholds a smile.

With Peter (Pete the Greek)

Peter is the neighbor who consistently defends Elsie. Joan initially dismisses him, but later they become a couple. Joan teases Elsie for suggesting trips to Aldi and two-man tents, hinting at an off-page romance that solidifies after the crisis.

With Bailey (Joan’s Nephew)

Joan uses Bailey’s legal clout as a threat throughout the first half of the book. When she finally asks him to help Elsie, she reveals the power dynamic: “my aunt told me to. And I am terrified of my aunt.” This line humanizes Joan, showing her as a woman who can command respect but also ask for help.

With the Neighborhood

Joan stands apart from the tight-knit community initially. By the end, she is part of the protective group that surrounds Elsie. Her acceptance comes only after she admits she was wrong.

Key Decisions and Consequences

Theme and Symbol Connections

• Perception and Media: Joan embodies the public’s willingness to judge based on a headline. Her initial suspicion reflects the “Mad Mabel” label that has haunted Elsie for seventy years. When Joan changes her mind, she symbolically models the possibility of looking past reputation.
• Justice and Redemption: Joan’s journey from accuser to ally underscores the idea that justice requires humility. She doesn’t just “let go” of her suspicion; she actively works to correct the harm she caused.
• Friendship and Loyalty: By aligning herself with Peter, Roxanne, and Persephone, Joan demonstrates that loyalty can be learned. Her final friendship with Elsie is fragile but real.
• Identity and Reinvention: Joan’s own identity shifts from “the cantankerous neighbor” to “Bailey’s aunt who now has a boyfriend and a new friend.” Her reinvention is quieter than Elsie’s, but equally important to the story.
• Maternal Love and Sacrifice: Though Joan is not a mother, her protective instincts emerge when she stands with the group to guard Elsie’s house. She becomes part of the surrogate family that keeps Elsie safe.

Five Book-Specific Questions and Answers

1. Why does Joan initially suspect Elsie of murdering Ishaan?
Joan had researched Elsie’s past before moving to Kenny Lane and knew about the decades-old conviction for the deaths of her father and aunt. When Ishaan died suddenly, Joan believed Elsie’s history made her the prime suspect. She also feared Elsie personally, which colored her judgment.

2. What finally convinces Joan that Elsie is not a danger to others?
Two things: witnessing Elsie physically confront the man banging on Roxanne’s door, and hearing from the other neighbors how Elsie had protected Persephone—once from a water-pistol attack and once from the same intruder. Joan realized that “being a murderer is nowhere near as binary as people think.”

3. How does Joan use her nephew Bailey’s legal expertise?
Initially she brandishes Bailey’s name in her letters as a threat. After the apology, she instructs him to drive Elsie home, advise her on police procedures, and eventually help clear her name. Bailey admits he helped only because he is terrified of his aunt.

4. Does Joan ever apologize directly to Elsie?
Not explicitly. Instead, Joan apologizes through actions: she praises Elsie’s bravery, calls her “beloved,” and arranges Bailey’s help. Elsie recognizes this as Joan’s way of making amends.

5. What role does Joan play in the ending of Mad Mabel?
Joan becomes part of the supportive group that surrounds Elsie after the “MAD” graffiti appears. She also begins a romance with Peter, signifying her full integration into Kenny Lane. Her final act is to accept Elsie fully, completing the novel’s theme of redemption through community.

For deeper exploration of the novel’s themes, see our guides on Identity and Reinvention, Perception and Media, and Justice and Redemption. You may also enjoy the ending explained and our questions and answers section.