Mary Mangnall was the daughter of Henry Mangnall (1800) and Mary, and was born in Farnworth in 1839. In 1851 she was living in King Street, Farnworth, and was working as a piecer in a cotton factory.

Sources
• 1. 1851 Census. King St, Farnworth. Mary Mangnall. Daughter. Age 12. Piecer in a cotton factory. Born Farnworth.