After the 1910 Conciliation Bill failed to pass in the House of Commons, she went on a speaking tour across the United Kingdom to rally support for women's suffrage.

[1][2] Her father resigned from the position in 1880 and was created Earl of Lytton, at which time she became entitled to the style Lady Edith Bulwer-Lytton.

[1] She served as the Dame President of the Woking Habitation of the Primrose League, but resigned in 1910 after Conservative MP Donald Macmaster opposed the Conciliation Bill.

[2] After the failure of the 1910 Conciliation Bill, Lady Balfour spoke on the Conservative and Unionist Women's Franchise Association's platform across Britain.

[2] Lady Balfour was on good terms with members of the Women's Social and Political Union and, in 1911, she chaired a meeting in Nairn where Emmeline Pankhurst was the speaker.

[1] She opposed violent actions taken by the Women's Social and Political Union, however, and when a medieval church in East Lothian was burned down by suffragettes, she raised funds for its reconstruction.

[1] In April 1919, Lady Balfour became the first woman elected to the Woking Borough Council, representing St John's Ward.

[1] They commissioned Lady Balfour's brother-in-law, Edwin Lutyens, to design a country house in Hook Heath, Woking.

[3] Lady Balfour died of a perforated duodenal ulcer on 28 March 1942 at Fisher's Hill's cottage in Woking.