Charles Stewart Henry Vane-Tempest-Stewart, 7th Marquess of Londonderry, styled Lord Stewart until 1884 and Viscount Castlereagh between 1884 and 1915, was a British peer and politician. He is best remembered in Great Britain for his tenure as Secretary of State for Air in the 1930s and for his attempts to reach an understanding with Nazi Germany. In 1935, he was removed from the Air Ministry but retained in the Cabinet as Lord Privy Seal and Leader of the House of Lords. In Ireland, especially within Ulster, Lord Londonderry is best remembered for his opposition to Home Rule for Ireland in the early twentieth century.
- Occupation
- politician
- Position held
- Member of the Senate of Northern Ireland, Member of the Privy Council of Ireland, Member of the Privy Council of the United Kingdom, member of the 30th Parliament of the United Kingdom
