Name
- Cosen, Daniel1
- Cosham, T-1
- Courtail, John, Fellow of Clare Hall, Cambridge, and Prebendary of Chichester1
- Coutts, Thomas, of Add MS 331071
- Coventry, George William, 6th Earl of Coventry1
- Coxe, Daniel1
- Coxe, T-1
- Coxe, William, Archdeacon of Wiltshire, historian1
- Crawford, John, Captain; of Add MS 331011
- Crofton, Edward, 2nd Baronet1
- Cromwell, Henry, Admiral1
- Cuff, James, Baron Tyrawley1
- Cuninghame, Robert, 1st Baron Rossmore, Commander-in-Chief in Ireland1
- Curry, James, Physician to Guy's Hospital1
- Dalrymple, John, 6th Earl of Stair, soldier and diplomat, 1749-18211
- Daniel, Thomas Achmuty, army officer, fl 17971
- Darcy, Mary, Countess of Holderness, wife of Robert 4th Earl of Holderness, c 1721-18011
- Darrah, John Johnston, correspondent of the 2nd Earl of Chichester, fl 18021
- Davidson, G, correspondent of Thomas Pelham, 2nd Earl of Chichester, fl 18031
- Davis, Johnson, correspondent of the 2nd Earl of Chichester, fl 18021