Name
- Simmonds, T- W-1
- Simpson, of Add MS 339821
- Sinclair, John, Baronet, FRS1
- Skene, James1
- Sloane, W-, of Add MS 339821
- Smith and Tilson, Messrs1
- Smithson, James Louis, formerly Macie; mineralogist; founder of the Smithsonian Institution1
- South, Thomas1
- Spencer, Lavinia, wife of George John, 2nd Earl Spencer1
- Stanroyd, Thomas, Lieutenant1
- Starman, John W-1
- Staunton, George Thomas, 2nd Baronet, MP1
- Steele, Joshua, President of the Society of Arts in Barbados1
- Stewart, C-, Lieutenant RN1
- Stodart, J-1
- Storer, John1
- Sydow, Adolph1
- Tatham, William, Colonel; of Add MS 339801
- Taylor, Charles, of Add MS 339801
- Thompson, W-, of Add MS 339801