Theresa Susey Helen Vane-Tempest-Stewart, Marchioness of Londonderry was a British socialite and political hostess. She was a leading Unionist campaigner against Irish Home Rule, serving as president of the Ulster Women's Unionist Council from 1913 to 1919. She was said to be one of the most "dominating feminine personalities" of the time and was referred to as the "Queen of Toryism" and a "highwaywoman in a tiara."
- Occupation
- socialite
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- 1856
- Died
- March 16, 1919