On 22 June 1823, the Gaols Act, shaped by Fry's advocacy, received Royal Assent, mandating separation of male and female prisoners and female warders.
On 22 June 1823, King George IV gave Royal Assent to the Gaols Act 1823 (4 Geo. IV c.64), a landmark piece of penal legislation that incorporated many of the reform principles Elizabeth Fry had championed through years of prison visiting, public advocacy, and her 1818 parliamentary testimony.
The Act mandated the segregation of male and female prisoners within local gaols and, crucially, required that female prisoners be supervised by female warders rather than men, directly addressing the abuses and exploitation that Fry had documented and decried. It also introduced requirements for the payment of gaolers (reducing reliance on fees extracted from prisoners), regular chaplain visits, and basic provisions for prisoner welfare.
This legislation marked one of the first significant national legal reforms in Britain to be substantially shaped by a woman's direct influence and evidence, despite women having no formal role in Parliament or the franchise. It stands as a concrete legislative legacy of Fry's tireless campaigning and represents a major milestone in the professionalization and humanization of the British penal system. While enforcement remained inconsistent across the country's many local jurisdictions, the Act established important legal principles that later, more comprehensive reforms would build upon, and it cemented Fry's reputation as one of the most effective female reformers of the early nineteenth century, achieving legislative change through moral suasion and evidentiary rigor rather than formal political power.