Edith Vane-Tempest-Stewart [née Chaplin] (1878-1959; ODNB), Lady Castlereagh 1899-1915, then marchioness of Londonderry; political hostess and writer; active in the women's suffrage movement, Conservative and Unionist politics, and public and charitable organisations; drew politicians from other parties into her circle, including Ramsay MacDonald; her alleged influence upon him and her several trips to Nazi Germany with her husband made her a controversial figure.

Journal references: 13

• 23 Dec 1914
• 18 Apr 1915
• 31 Jul 1915
• 21 Nov 1915
• 10 Feb 1916
• 14 Feb 1916
• 12 Jun 1916
• 16 Jul 1917
• 18 Nov 1917
• 24 Dec 1917
• 29 Dec 1917
• 19 Dec 1920
• 6 Jan 1923

See also Vane-Tempest-Stewart, Lord Castlereagh, 7th marquess of Londonderry, Charles Stewart Henry