Hannah Slater passed away in 1812. Her early death cut short a life filled with potential and innovation.

After Hannah's death, Samuel Slater continued to operate and expand his textile mills. Her contributions, although not always explicitly acknowledged, played a role in the success of the Slater family business.

Hannah Slater's legacy as an early American inventor is now recognized in historical accounts and narratives about the development of the textile industry. Her story serves as an inspiration for women in STEM fields and highlights the often-overlooked contributions of women to innovation.