Name
- Jackson, H-, of Add MS 402441
- Jocelyn, Robert, 2nd Earl of Roden, Auditor - General of Ireland1
- Johnston, Francis, architect; founder of the Royal Hibernian Academy1
- Johnston, Richard, formerly of the Irish Excise1
- Le Poer Trench, Charles, Archdeacon of Ardagh1
- Le-Poer Trench, Richard, 2nd Earl of Clancarty1
- Leadon, Francis, of the Custom House, Dublin1
- Lee, Edward, of Sidmouth1
- Lee, Henry Augustus, 13th Viscount Dillon, army officer, writer and politician, 1777-18321
- Lennox, Charlotte, wife of Charles, 4th Duke of Richmond and Lennox1
- Littlehales, Edward Baker, 1st Baronet, Aide de Camp to the Lord Lieutenant of Ireland, 1764-18251
- Lovett, John Beresford, Inspector-General of Excise, Ireland1
- Lowther, James, MP; of Add MS 402211
- Magenis, Richard, MP1
- Mason, William Shaw, Secretary, Irish Record Commission1
- Maxwell, Henry, 6th Baron Farnham 1838, Reverend1
- Maxwell, John James, 2nd Earl of Farnham1
- Maxwell-Barry, John, 5th Baron Farnham 18231
- McNaghten, Edmund Alexander, Lord of the Irish Treasury1
- Miller, Joseph, attorney, of Dublin1