Shirley’s profession is a direct response to her childhood trauma. She believes that by physically repairing a body, she can psychologically repair the survivors' trauma.
After receiving the news of Nell’s suicide, Shirley insists on preparing her sister’s body herself. [S1E2] Open Casket
Young Shirley finds a litter of stray kittens. Despite her efforts to save them, they all die. This trauma, combined with the "broken" appearance of her mother’s body later, drives her obsession with "fixing" things. Shirley’s profession is a direct response to her
Shirley’s mother, Olivia, is shown designing blueprints for their "forever house," which they plan to build after flipping Hill House. Young Shirley finds a litter of stray kittens
At her mother’s funeral, Shirley is terrified of seeing her deceased mother. However, the mortician "fixes" Olivia to look peaceful, which inspires Shirley’s future career path. Present Timeline:
Like other siblings' specific rooms, Shirley’s "Red Room" (her office/workplace in the house) contains subtle red elements, a recurring motif throughout the series. Open Casket | The Haunting of Bly Manor Wiki | Fandom
While Shirley tries to maintain a facade of perfection and control, her world is constantly undermined by the repressed horrors of Hill House and the messiness of her family’s shared grief. Key Details & Trivia