Name
- Lery de Mezieres, Chevalier1
- Lesley, John, Clerk to the Signet1
- Leslie, Leopold, Count1
- Liardet, of Add MS 355131
- Lindsay, Anne, afterwards wife of Andrew Barnard1
- Lindsay, Elizabeth B-, wife of Alexander, 6th Earl of Balcarres1
- Lindsay, Robert, son of James, 5th Earl of Balcarres1
- Liniers, Comte1
- Lloyd, Bell1
- Lloyd, M- G-, General in the Russian Service1
- Lobkowitz, August Anton Joseph, Prince1
- Longueval, Marie Thérèse, wife of Jean Joseph de Longueval, Comte de Buquoy, Baron de Vaux1
- Lorraine, Charles Alexandre, Prince, of Add MS 354781
- Loss, Augusta Amalia, wife of Count J A von Loss1
- Loss, Johann Adolph, Count1
- Luttrell, James1
- Lynch, William, Envoy to Sardinia1
- Lyndon, William1
- Lyte, Henry1
- MacCormick, Michael, Professor of Divinity at St. Isidore's College, Rome1