Name
- O'Keefe, Thomas, Agent of William, Viscount Beresford1
- Otway, Loftus Charles, Attaché at Vienna; CB 18541
- Ouseley, William Gore, Knight, diplomatist and author, 1797-1866, http://isni.org/isni/000000... http://viaf.org/viaf/718262011
- Owen, John, Chaplain-General to the Forces1
- Pakenham, Richard, KCB, diplomatist1
- Panizzi, Anthony, Knight, librarian at the British Museum, 1797-1879, http://isni.org/isni/000000...1
- Perceval, Spencer, Prime Minister of the United Kingdom, 1762-18121
- Peters, John Godfrey, Major; Superintendent, Cavalry Riding Establishment, Pimlico1
- Plowden, Walter Chichele, diplomat, 1820-18601
- Polk, James Knox, US President1
- Rohan-Chabot, Philippe Ferdinand Auguste de, Comte de Jarnac1
- Royal Naval Asylam1
- Russell, John, 1st Earl Russell, Prime Minister, 1792-18781
- Scarlett, Peter Campbell, son of James Scarlett1
- Scott, Newton Savile, Chargé d'Affaires at Madrid1
- Shee, George, Agent-General1
- Somerville, William, MD; FRS1
- Sontag, John, Lieutenant-General; of Add MS 484131
- Spencer, George John, 2nd Earl Spencer1
- Stapleton, J., Captain; 7th Hussars(?)1