Name
- Sbarra Franciotti, Marquis -1
- Scamafis, Count1
- Schaesberg, Karl Franz, Count1
- Schalkmin, General1
- Schomburg, Friedrich Christoph, Count, diplomat and son of Christoph Martin, Graf von Degenfeld-Schomburg, 1722-17811
- Schwartzer, Baron, Bishop1
- Scott, Elizabeth, wife of Henry, 3rd Duke of Buccleuch1
- Scott, Hugh, of Add MS 355341
- Scott, William, of Add MS 355121
- Sebright, John Saunders, 7th Baronet, politician and agriculturalist, 1767-18461
- Selby, John, Lieutenant1
- Selby, Robert1
- Seton, Hugh1
- Seymour-Conway, Francis Ingram, Viscount Beauchamp, Earl of Yarmouth (1793), 2nd Marquis of Hertford (1794)1
- Sharp, Ann, Miss1
- Sheldon, George, of Add MS 355221
- Sheldon, William, junior1
- Sherlock, Martin1
- Sinclair, William, 10th Earl of Caithness1
- Sinzendorf, Philip Joseph, Count1