Name
- O'Connor, Desmond, of Bialibahillagh, county Cork1
- Ottiwell, Matthew, Deputy Collector of Revenue in Ireland1
- Oxton, William, of Shenley Bury, county Hertfordshire1
- Pardon, William, Secretary, Lead Office1
- Parker-à-Morley-Long, Philip, 3rd Baronet, formerly Parker1
- Parsons, Robert, stone-carver, of Bath1
- Peck, Philip, of Add MS 470101
- Perceval, Catherine, née Parker; wife of John, 1st Earl of Egmont1
- Perceval, John James, 3rd Earl of Egmont1
- Perceval, Kene, Vicar of Powerscourt1
- Perceval, William, barrister, of Dublin; brother of the Reverend K Perceval1
- Percevale, Joseph, of Bristol1
- Pitcher, John, stone-cutter1
- Ponsonby, Brabazon, 1st Earl of Bessborough1
- Pool, E.1
- Powell, John, gardener, of Charlton, county Kent1
- Power, Pierce, of Rochester1
- Quinlan, David, surveyor1
- Reeve and Devonsheir, merchants, Bristol1
- Rolt, Edward, 1st Baronet, landowner and politician, 1710-18001