Name
- Burgh, John, Baron Leitrim1
- Burgh, William, Accountant General in Ireland1
- Bushe, Arthur, Secretary to the Revenue Commissioners for Ireland1
- Butts, Daniel, Commissary of the Army in Ireland1
- Bysse, John, Chief Baron of the Irish Exchequer1
- Carew, Peter, soldier1
- Carlton, Christopher, Commissioner of the Revenue of Ireland1
- Caulfeild, William, 5th Baron Caulfeild; 1st Viscount Charlemont1
- Chetham, Thomas, Keeper of Records in the Bermingham Tower, Dublin, d 16241
- Clinton, Edward, Earl of Lincoln1
- Colman, Richard, Chief Remembrancer of Ireland1
- Commin, Faithful, supposed Dominican Friar1
- Coote, Charles, 1st Earl of Mountrath1
- Corwin, Philip, supposed Franciscan friar1
- Cosimo II, Grand Duke of Tuscany1
- Courcey, Edward1
- Courci, John, conqueror of Ulster; d.?1219, d 12191
- Crew, Agnes1
- Croft, James, Privy Councillor1
- Crofte, Gabriel, Auditor General of Ireland1