Name
- Lieven, Christofor Andreevich, Prince, Russian Ambassador in London, d 18396
- Lindsay, Hugh, MP; Marshal of the Admiralty Court6
- Litton, Edward, QC; MP6
- Loftus, John, 2nd Marquess of Ely6
- Lowry-Corry, Armar, 3rd Earl Belmore6
- Magee, William, Bishop of Raphoe (1819) and (1822) Archbishop of Dublin6
- March-Phillipps, Samuel, Under-Sec Home Office6
- Mathew, Theobald, Reverend; temperance reformer6
- Mayne, Richard, police commissioner6
- McCrea, John Benjamin, Independent minister6
- Merewether, Henry Alworth, Serjeant-at-Law6
- Miller, Joseph, attorney, of Dublin6
- Miller, William, Captain; Deputy Inspector-General of Constabulary, Ireland6
- Milman, Henry Hart, Dean of St Paul's6
- Montagu, John William, 7th Earl of Sandwich6
- Monteith, Henry, MP6
- Moore, John, Reverend; Master of Cavan School6
- Mulock, Thomas, Marshal of the Irish Admiralty 18156
- Murray, Daniel, Archbishop of Dublin, 1768-18526
- Murray, George Augustus Frederick John, 2nd Baron Glenlyon; 6th Duke of Atholl 18466