Name
- Rollat, Madame1
- Royal Irish Academy, Dublin1
- Rushbrooke, Robert, MP1
- Russell, Francis, 7th Duke of Bedford1
- Russell, John, 1st Earl Russell, Prime Minister, 1792-18781
- Seeley, Robert Benton, publisher and author1
- Shaw-Lefevre, Charles, Speaker of the House of Commons (1839), Viscount Eversley (1857)1
- Smirke, Edward, Knight (1870), Vice-warden of the Stannaries1
- Society for Promoting the Amendment of the Law1
- Society for the Diffusion of Useful Knowledge1
- Society for the Improvement of the Condition of the Labouring Classes1
- Stanhope, Philip Henry, Viscount Mahon, 5th Earl Stanhope1
- Stewart, Frederick William Robert, Viscount Castlereagh; 4th Marquess of Londonderry 18541
- Stirling, Edward, of Add MS 404761
- Sugden, Edward Burtenshaw, 1st Baron St Leonards, Irish Lord Chancellor1
- Taylor, Herbert, Lieutenant -General 1825; GCB 1834; Secretary to George III and William IV, fl 1825-18341
- Taylor, William, Secretary to an Irish Railway Committee1
- Thomson, Archibald, of Ballinasloe1
- Todd, James Henthorn, Regius Professor of Hebrew Dublin1
- Tonna, Charlotte Elizabeth, authoress1