Name
- Odell, Thomas, Irish Excise Commissioner1
- Odell, William, Lieutenant-Colonel; MP1
- Ormsby, Charles Montague, 1st Baronet1
- Osborne, Sidney Godolphin, son of Francis, 5th Duke of Leeds1
- Paget, John Warren, attorney, of Atherstone1
- Pakenham, Thomas, 2nd Earl of Longford1
- Parsons, Laurence, 2nd Earl of Rosse1
- Peel, Robert, 2nd Baronet, Prime Minister, 1788-18501
- Pery, Edmund Henry, 1st Earl of Limerick1
- Phipps, Henry, 1st Earl of Mulgrave1
- Ready, John, Lieutenant-Colonel; private Secretary to the Lord Lieutenant of Ireland1
- Ready, Susanna1
- Rochfort, John Staunton, Commissioner of Enquiry, Ireland1
- Roe, Terence, formerly of Prosperous1
- Rogers, Hugh, messenger to the Royal Canal Commissioners, Ireland1
- Rowley, John, Canon of Christ Church, Dublin1
- Rudman, Thomas, of Gravesend1
- Sneyd, Nathaniel, MP; of Add MS 402271
- Stephen, E-1
- Stevelly, Jones, Six Clerk in the Irish Court of Chancery1