- Clinton, George, 1739-181266
- Clinton, James, 1736-18122
- Clinton, William Henry3
- Clowes, Timothy, 1787-18471
- Cobb, David, 1748-18302
- Cochran, Captain1
- Cochran, John2
- Codbec, Jacob1
- Colbrath, William1
- Colden, Cadwallader, 1722-17973
- Coleman, William, 1766-18291
- Collins, John, -179514
- Colomb, Peter3
- Colt, Peter, 1744-18241
- Columbia College (New York, N.Y.)1
- Commissary of Officers1
- Commissioners of Indian Affairs, Northern Department2
- Committee for Foreign Affairs1
- Committee of Secret Correspondence1
- Connecticut. Governor9
- Connolly, Jon2
- Conyngham, Anne1
- Cooke, Samuel2
- Cooley, Daniel1
- Cooley, John1
- Cooper, William3
- Copp, John1
- Cornelissen, Marten1
- Corse, Benjamin1
- Cosine, John1
- Council of Appointment of the State of New York1
- Council of Massachusetts4
- Council of Revision1
- Court of St. James1
- Coutinho, Diego Forjas, Governor of Madeira1
- Cowperthwait, Joseph1
- Coxe, Colonel2
- Coxe, William, Jr.2
- Cozine, John1
- Crane, Josiah1
- Crawford, James1
- Creni, Lecho de1
- Crocco, Giacomo Francisco2
- Crommelin, Messrs.1
- Cropper, John, 1755-18211
- Crummell, Alexander, 1819-18981
- Curtenius, Major1
- Curtenius, P. T.1
- Cushing, Thomas, 1725-17884
- Cushing, William, 1732-18109
- Cutting, Nathaniel1
- Cuyler, Henry1
- Cuyler, Jacob1
- Dana, Francis, 1743-18113
- Darcel, Mr.1
- Dart, John Sandford1
- Dashiell, Joseph1
- Davenport, John1
- Davie, William Richardson, 1756-18201
- Davies, William1