Name
- Cocks, Charles, 1st Baron Somers 17842
- Cocks, Philip, Reverend; Prebendary of Lincoln2
- Cole, William, Reverend; of Add MS 356182
- Coningsby, Thomas, 1st Earl of Coningsby2
- Court of Exchequer2
- Coventry, William, 5th Earl of Coventry2
- Cowper, Ashley, Clerk of the Parliaments2
- Cowper, William, Clerk of the Parliaments, d 17402
- Craggs, John, jun, Secretary of State etc2
- Cromwell, Oliver, Lord Protector of England, Scotland and Ireland, 1599-1658, http://isni.org/isni/000000...2
- Dalrymple, John, 2nd Earl of Stair, soldier and diplomat, 1673-17472
- Day, James, correspondent of John Vernon, fl 17642
- Delafaye, Charles, politician and civil servant, 1677-17622
- Denison, Thomas, Knight, judge, 1699-17652
- Denton, Alexander, politician and courtier, 1679-17402
- Dickens, Melchior, diplomat and army officer, ?1695-17752
- Dixon, Francis, correspondent of Philip Yorke, 2nd Earl of Hardwicke, fl 1764-17892
- Dixwell, Basil, 2nd Baronet, of Broome House, politician and army officer, 1665-17502
- Dodington, George Bubb, 1st Baron Melcombe, politician, ?1691-17622
- Douglas, James, 14th Earl of Morton, natural philosopher and courtier, 1702-17682