Name
- Cane, Edward, Secretary to President of India, Board7
- Carey, John, son of H Carey, of Kilbeggan7
- Cassan, Joseph, Reverend; of Stradbally7
- Cavendish-Scott-Bentinck, William Henry, 4th Duke of Portland7
- Chantrey, Francis Legatt, Knight, sculptor, 1781-18417
- Clark, James, 1st Baronet, of St George's Hanover Square, physician, 1788-18707
- Clarke, James, Recorder of Liverpool7
- Clive, Edward, Viscount Clive; 2nd Earl of Powis 18397
- Clive, Robert Henry, MP7
- Codrington, Christopher William, MP; self-styled 5th Baronet 18437
- Cole, Galbraith Lowry, General; GCB7
- Collins, William, RA, painter7
- Conway, Frederick William, Irish journalist7
- Corry, John, topographer7
- Corry, Thomas Charles Stewart, MP7
- Courtenay, Thomas Peregrine, politician, 1782-18417
- Crichton, John, 3rd Earl Erne 18427
- Dabbadie, Michael, Chairman of Irish Royal Canal Co.'s creditors7
- Dedel, Salomon, Baron, Dutch diplomat, 1775-18467
- Dillon, Michael James Robert, 12th Earl of Roscommon, landowner, 1798-18507