Name
- Seymour-Conway, Henry, M P for Coventry1
- Sheridan, Richard Brinsley, of Add MS 339641
- Simon Mag1
- Skinner, David, Wine Merchant, Bordeaux1
- Smith, Adam, philosopher and political economist, 1723-17901
- Smith, Benjamin, of Add MS 344171
- Smith, John Spencer, FRS, diplomat, politican and writer, 1769-18451
- Smith, William, MD; of Add MS 344141
- Sneyd, Jeremy, Chief Clerk in Foreign Office1
- Souillac, Vicomte, French Governor-General in India1
- Spencer, Caroline, afterwards wife of Henry Welbore, 2nd Viscount Clifden1
- Spencer, George, Marquis of Blandford1
- Spencer, John Charles, Viscount Althorp, 3rd Earl Spencer1
- St. John, J-1
- Stanley, John Thomas, 1st Baron Stanley1
- Steele, Thomas, Secretary of the Treasury (1783-1791)1
- Stepenson, Archibald1
- Stevenson, Henry, of Philadelphia1
- Stewart, John, of Add MS 344561
- Stewart, Robert, Viscount Castlereagh, 2nd Marquess of Londonderry, 1769-18221