Name
- Patterson, John, of Add MS 373151
- Paul I, Emperor of Russia1
- Pelham-Clinton, Henry Pelham, 4th Duke of Newcastle1
- Percy, Edward Lorenzo1
- Pereira Forjas, Miguel1
- Perez, Felipo Antonio, British Vice-Consul in Almeria1
- Pery, Edmund Henry, 1st Earl of Limerick1
- Pfaff von Pfaffenhofen, Franz Simon von, Count1
- Phillpott, Henry, Bishop of Exeter1
- Phipps, Constantine Henry, 1st Marquess of Normanby1
- Phipps, Edmund, Major-General; son of Constantine, lat Baron Mulgraw1
- Pienne, Duchesse de1
- Pitt, Anne, wife of Thomas 1st Baron Camelford1
- Pitt, William, 1st Earl of Chatham, Prime Minister, called 'the elder', 1708-17781
- Plasket, Thomas Henry, of the Home Office1
- Plunket, Arthur James1
- Plunket, Thomas, Dean of Down1
- Pole, C- Villiers?1
- Polignac, Auguste Jules Armand Marie, Prince, French statesman1
- Poole, Henry, incumbent of Whitchurch, county Middlesex1