Name
- Chelsea Hospital1
- Choiseul - Stainville, Claude Antoine Gabriel, Duc de1
- Clockmakers, London1
- Codd, Nicholas McDonald Sarsfield1
- Colbert, James, of Dublin1
- Colquhoun, of Add MS 383771
- Commissariat1
- Confederation of the Rhine1
- Conner, Robert Longfield1
- Coordé, Augustin, late Dep Commissary of Dendermonde1
- Coote, Eyre, army officer and colonial administrator, c 1759-18231
- Corlett, Thomas, of Add MS 383791
- Courtenay, John Francis, Count Fouchécour1
- Cunningham, Isabella, widow of John, 15th Earl of Glencairn1
- Day, Joseph, correspondent of Robert Jenkinson, 2nd Earl of Liverpool, fl 1811-18121
- Dickson, James, Deputy Register of the Court of Admiralty for Scotland, fl 1783-18031
- Douglas, George, 16th Earl of Morton, landowner, 1761-18271
- Downs Society of Fishermen's Friends, Deal1
- Drake, Thomas, clergyman, ?1745-18191
- Drummond and Co, bankers, London1