Rachel Mary Parsons (1885–1956) daughter of Charles Algernon Parsons and Katharine Parsons. She was an engineer and advocate for women's employment rights.
1894 Accompanied her father aboard the Turbinia during its trials.
1909 Travelled to America aboard the RMS Mauretania.
1910 She became the first woman to read Mechanical Science at the University of Cambridge.
WWI Was appointed Alternative Director at Parsons Marine Steam Turbine Co's Heaton Works and aided the efforts of the Ministry of Munitions, but resigned after the war when her father didn't grant her a full directorship.
1918 Became a member of the Royal Institution of Great Britain.
1919 Helped by her mother Lady Katherine Parsons, she founded the Women's Engineering Society and became its first president in 1919.
1919 Elected an Associate of the Institution of Naval Architects.
1920 One of the founders of Atalanta Ltd in Loughborough
1921 Became a member of the Royal Institute of International Affairs.
1922 Became a member of the London County Council as a representative for Finsbury and during this year also became a member of the Royal Institution of Naval Architects. She moved from Upper Brook Street to 5, Portman Square.
1923 In December she stood as a Conservative candidate for Ince, Lancashire.
Spring 1956. She moved to Lansdowne House
1956 - November. She was murdered by Dennis James Pratt, who was found guilty of her manslaughter.