The literary concept of "Sal" encompasses a wide range of portrayals, from unwavering maternal figures to determined workers, highlighting its flexibility across genres and time periods. Authors such as Nat Gould depict Sal as a selfless caregiver, exemplified by her dedication to a stranger’s child, while Robert Emmet Barrett presents her as a tired yet hardworking homemaker facing challenges.
Irving Bacheller’s humorous approach portrays Sal as a diligent hired girl, contrasting with Grace Livingston Hill’s depiction of her as an almost mythical figure of insight. These differing interpretations emphasize Sal’s role as a multifaceted symbol of perseverance, domestic life, and moral depth, revealing her as a means through which writers examine human endurance and societal norms.