In 1921 she was appointed a magistrate, one of the first women magistrates in Britain. In 1922 she was appointed education advisor to Holloway Prison (a prison for women in London). Margery Fry was Director of the Howard League for Penal Reform from its foundation in 1921 until 1926.
Margery Fry was appointed a magistrate in 1921, marking one of the first instances of women holding this role in Britain. She then became education advisor at Holloway Prison in London in 1922. Fry led the Howard League for Penal Reform from its establishment in 1921 until her resignation in 1926.