Robinson used her background as a teacher to give frequent speeches supporting anti-war principles.

[2][4] She was supported by Mary Lamley Cooke who was assistant secretary of the Peace Union.

[5] Robinson, in particular, opposed British militarism of the Second Boer War in South Africa and spoke against European human rights abuses in Africa and Asia.

[2][6] She often collaborated with other peace campaigners and feminists including Eugénie Potonié-Pierre, with whom she organized several meetings in Paris,[3] and Priscilla Hannah Peckover.

[2] She retired in 1903 and her place as secretary in the Peace Union was taken by Mary Cooke.