Name
- Lowther, James, MP; of Add MS 402213
- Lucas, Edward, MP, Under-Secretary of State for Ireland3
- MacLean, Allan, Secretary, Irish Custom House3
- Macgregor, Bridget, widow of Sir P Macgregor, 1st Baronet3
- Maconochie, Alexander, afterwards Maconochie-Welwood Lord Meadowbank3
- Mahony, Daniel, Brigade Major, Irish Yeomanry3
- Maitland, James, 8th Earl of Lauderdale3
- Martin, Thomas Byam, Admiral of the Fleet3
- Mason, William Shaw, Secretary, Irish Record Commission3
- Maule, George, Solicitor to the Treasury, d 18513
- Miles, Philip William Skynner, MP3
- Milner, Thomas Wheeler3
- Montagu-Douglas-Scott, Charlotte, wife of Walter, 5th Duke of Buccleuch, 1811-18953
- Morgan, Thomas, of Winkton, near Ringwood; of Add MS 402543
- Needham, Francis, 12th Viscount 1818 and (1822) 1st Earl of Kilmorey, General3
- Nicholl, John, judge3
- Norris, Thomas, of Bury, county Lancashire3
- Nowlan, Thomas, attorney, of Kilkenny3
- Nugent, George Thomas John, Marquess of Westmeath3
- O'Connell, Daniel, of Add MS 401223