Hamilton, Mary Agnes (1884–1966)

English novelist and biographer. Her novels include Dead Yesterdays 1916, Murder in the House of Commons 1931, and Life Sentence 1935. She also wrote lives of Ramsay Macdonald 1925, Margaret Bondfield 1926, and Sydney and Beatrice Webb 1933.

She was born in Manchester and educated at Newnham College, Cambridge. She was elected Labour MP for Blackburn and was a governor of the BBC 1933–37.