| Cable, Charles | Jeweller | D 1816-1818 |
| Cadwell, Jay | Silverplater | D 1850 |
| Cadwell, see also Filley, Mead & Cadwell | |
| Cahn, Abraham | Jeweller | D 1850 |
| Calderwood, Andrew | Watchmaker | D 1800-1807, 1809-1822 |
| Caldwell, James E. | Watchmaker | D 1840-1850 |
| Caldwell (James E.) & Co. | Watchmakers | D 1850 |
| Caldwell, Samuel | Chaser | d. 1825 |
| Caldwell, see also Bennett & Caldwell | | |
| Cameron, Samuel | Jeweller | D 1828-1830 |
| Cammer, William | Silverplater | D 1839-1842 |
| Camoin | Goldsmith | D 1797 |
| Campbell, Alexander | Watchmaker | D 1798-1799 |
| Campbell, Andrew | Silverplater | D 1829-1833, 1837-1842 |
| Campbell, Charles | Watchmaker | D 1794-1797, 1799-1803 |
| Campbell, Isaac | WatchmakerWatch Case MakerWatchmaker | D 1813D 1818-1822D 1821-1824 |
| Campbell, John | Jeweller | D 1828-1831 |
| Campbell, Thomas | Jeweller | D 1828-1833 |
| Cannon, William | Apprentice To Clockmaker | 1738 |
| Capper, Michael | Watchmaker | D 1798-1800 |
| Carbin, Theodorus | Jeweller | Adv. 1758-1759 |
| Carels, Joseph | Watchmaker | D 1817-1818 |
| Cario, Michael | Jeweller | Adv. 1736-1748 |
| Carlisle, Abraham | Silversmith | Census 1790, D 1791-1794 |
| Carnan, John | Goldsmith | Adv. 1771-1777 |
| Carr, B. D. | Jeweller | D 1845-1846 |
| Carr, Thomas, Jr. | Jeweller | D 1835 |
| Carrel, John | Watchmaker | Census 1790, D 1792-1793, Adv. 1794 |
| Carrel, John & Daniel | Goldsmiths & Watchmakers | D 1785 |
| Carrell, Daniel | Jeweller | D 1806 |
| Carribec, Peter | Jeweller | D 1796 |
| Carribee, Peter | Jeweller | D 1795 |
| Carrigan, Jacob | Silverplater | D 1825-1829 |
| Carrigan, J., Jr. | Silverplater | D 1830-1835 |
| Carrow, John | Jeweller | D 1839-1850 |
| Carrow, see also Dubosq. & Carrow | | |
| Carrows, John | Jeweller | D 1837 |
| Carson, Allen | Silversmith | D 1849 |
| Carter, George M. | Jeweller | D 1839 |
| Carter, Jacob | Watchmaker | D 1806-1808 |
| Carter, Thomas | Watchmaker | D 1823-1824 |
| Carter, William | Watchmaker | 1683, d. 1738 |
| Carter, William | Jeweller | D 1844-1847 |
| Carvalks, D. N. | Watchmaker | D 1846 |
| Carver, Franklin L. | Silverplater | D 1818 |
| Carver, G. | Watchmaker | Adv. 1797 |
| Carver, Jacob | Watchmaker | D 1785-1805, 1811-1813, 1825-1833 |
| Carver, Samuel | Silverplater | D 1814 |
| Cashell, Randall | Jeweller | D 1811 |
| Cashell, Randall H. | Goldsmith & Jeweller | D 1807 |
| Cassaday, William | Jeweller | D 1846, 1850 |
| Cassal, Abraham | Watchmaker & Pawnbroker | D 1825 |
| Cassedy, Andrew | Silversmith | D 1840 |
| Cassiday, see Cassaday | | |
| Castan, Stephen | Watch Case Maker | D 1818 |
| Castan, Stephen & Co. | Watchmakers & Jewellers | D 1819 |
| Cauchais, John | Jeweller | D 1816 |
| Caulette, B. | Jeweller | D 1828-1833 |
| Cave, Joseph | Watchmaker | D 1837, 1842-1847 |
| Cavenaugh, Nicholas | Silverplater | D 1829-1833 |
| Cecil, Charles | Clocksmith | D 1808-1809 |
| Certier, George | Watch Spring Maker | D 1845-1850 |
| Chadron, Edward, see Chaudron, Edward | | |
| Chadwick, Thomas | Silversmith | D 1809, 1811, 1823-1825 |
| Chamberlain, Charles | Watchmaker | D 1833, 1839 |
| Chamberlain, Lewis | Watchmaker | D 1829-1833, 1837, 1841-1842 |
| Chamberlin, Lewis | Watchmaker | D 1831-1833, 1840 |
| Chandlee, Benjamin | Clockmaker | 1710, d. 1745 |
| Charles, Lewis | Watchmaker | D 1837 |
| Chap, see Chat | | |
| Chat, Claudius | Goldsmith | D 1793-1798 |
| Chaudron, Edward | Jeweller | D 1816 |
| Chaudron, J. | Watchmaker | Adv. 1798 |
| Chaudron, P. | Watchmaker | Adv. 1797 |
| Chaudron, Simon | Jeweller | D 1798-1806, 1811-1814 |
| Chaudron (Simon) & Co. | Jewellers | D 1807-1811 |
| Chaudron & Rasch | Jewellers | Adv. 1812 |
| Chaysenholder, Charles | Jeweller | D 1814 |
| Cherry, James | Silversmith | D 1824 |
| Cherry, James | Watchmaker | D 1849-1850 |
| Chevalier, Clement E. | Jeweller | D 1816-1818, 1823-1833 |
| Chevalier (Clement E.) & Tanguay | Jewellers | D 1816, 1817, 1819 |
| Child, Henry T. | Watchmaker | D 1840-1842 |
| Child, John | Watchmaker | D 1813-1847 |
| Child, Samuel T. | Watchmaker | D 1843-1848 |
| Child, S. T. & T. T. | Watchmakers | D 1848-1850 |
| Child, Thomas T. | Watchmaker | D 1845 |
| Childs, Ezekiel | Watchmaker | D 1830-1835 |
| Childs, George K. | Silversmith | D 1828-1850 |
| Chittery, Peter | Silversmith | D 1814 |
| Choate, Robert W. | Jeweller | D 1829-1837 |
| Chollot, John B. | Clockmaker | D 1816-1819 |
| Chrystler, William | Watchmaker | D 1828-1835 |
| Churchwell, Charles | Silversmith | Adv. 1781 |
| Clark, Benjamin | Watchmaker | Adv. 1791, D 1793-1848 |
| Clark, Benjamin & Ellis | Watchmakers | D 1811-1840 |
| Clark, Benjamin W. | Watchmaker | D 1831 |
| Clark, Charles | Watchmaker | D 1809, 1813-1814 |
| Clark, Edward | Watchmaker | D 1797 |
| Clark, Elias | Watchmaker | D 1802 |
| Clark, Ellis | Watchmaker | D 1816-1825, 1831-1848 |
| Clark, Ephraim | Watchmaker | Adv. 1780, D 1785-1811, d. 1822 |
| Clark, Ephraim & Charles | Watchmakers | D 1806-1811 |
| Clark, George | Jeweller | D 1842-1843 |
| Clark, Henry | Silversmith | D 1813-1814, 1818-1824 |
| Clark, Henry | Siherplater | D 1816-1817 |
| Clark, Jesse | Watchmaker | D 1809-1814 |
| Clark, John | Silverplater | D 1837, 1840 |
| Clark, Patrick F. | Silversmith | D 1842-1843 |
| Clark, Richard, see May & Clarke | | |
| Clark, Thomas W. | Watchmaker | D 1830-1833, 1837-1841, 1849, 1850 |
| Clark, William | Silverplater | D 1831-1833 |
| Clark & Hartley | Silverplaters | D 1839-1841 |
| Clarke & Hutchinson | Watchmakers | D 1813 |
| Clarke, see also Bigger & Clarke | | |
| Claude, Chat, see Chat, Claudius | | |
| Clausen & Maull | Silverplaters | D 1830-1833 |
| Clayton, Barns | Jeweller | D 1850 |
| Clayton, Elias B. | Watchmaker | D 1848-1850 |
| Clein, John | Watchmaker | D 1830-1833 |
| Clement, James W. | Jeweller | D 1833-1835, 1847-1848, 1850 |
| Clement & Broom, see Broom & Clement | | |
| Clement & Browne, see Broom & Clement | | |
| Clements, James | Jeweller | D 1847 |
| Clements & Ashburn | Jewellers | D 1847 |
| Cline, Charles | Silversmith | D 1829-1837 |
| Cline, Charles | Silverplater | D 1829-1833, 1837-1850 |
| Cline, Charles, Jr. | Silverplater | D 1849 |
| Cline, C. & P. | Silverplaters | D 1842-1847 |
| Cline, Philip | Silverplater | D 1819-1822, 1837-1840, 1843 |
| Cline & Curtz | Silverplaters | D 1819-1822 |
| Coates, Isaac | Watchmaker | D 1835, 1839 |
| Coats, A. W. | Jeweller | D 1833, 1837 |
| Coats & Boyd | Jewellers | D 1831 |
| Cockman, George | Jeweller | D 1818, 1820-1822 |
| Cockrell, James | Watchmaker | D 1843-1846, 1848-1850 |
| Coffman, William | Jeweller & Silversmith | D 1839-1841, 1843-1850 |
| Cohen, M. A. | Jeweller | D 1840-1843 |
| Cole, Jacob | Goldsmith | D 1785 |
| Coleman, James | Watchmaker | D 1833 |
| Coleman, John | Watchmaker | D 1848 |
| Coleman, John F. | Watch Case Maker | D 1850 |
| Collom, David W. | Watchmaker | D 1846, 1848-1850 |
| Colnenn, John | Jeweller | D 1825-1833 |
| Colonel, John | Jeweller | D 1804-1806, 1820-1822 |
| Colton, Oren | Jeweller | D 1818, 1820-1822 |
| Colton & Baldwin | Jewellers | D 1819-1822 |
| Commel, William | Silverplater | D 1837 |
| Connell, John | Jeweller | D 1831-1833 |
| Conrad, G., Jr. | Engraver | D 1830 |
| Conrad, George | Die Sinker | D 1839-1843 |
| Conrad, Godfrey | Engraver | D 1831-1837, 1847-1848 |
| Conrad, Osborn | Watchmaker | D 1841-1850 |
| Cook, Charles L. | Jeweller | D 1843, 1845-1850 |
| Cooke & Co. | Jewellers | Adv. 1784, D 1785 |
| Cooke, Joseph | Jeweller | D 1785-1796 |
| Cooper | Silversmith | D 1816 |
| Cooper, David | Silverplater | D 1829-1833 |
| Cooper, Joseph B. | Watchmaker | D 1842-1846 |
| Cooper, Robert H. | Watchmaker | D 1850 |
| Cooper, Samuel B. | Watchmaker | D 1840 |
| Cooper, William | Silversmith | D 1844 |
| Copson, John | (Medals) | Adv. 1720 |
| Corby, John | Silverplater | D 1806 |
| Corew, Ferdinand | Jeweller | D 1837 |
| Corey, William | Jeweller | D 1828-1833 |
| Corgee, Arthur | Clockmaker | D 1823-1824 |
| Cork, John | Silverplater | D 1837-1839, 1849-1850 |
| Cornelius, Christian | SilversmithSilverplater | D 1810-1819D 1820-1831 |
| Corrin, Josiah | Silversmith | D 1823-1824 |
| Corvazier, Edward | Watchmaker | D 1846 |
| Costen, Ezekiel | Jeweller | D 1845-1850 |
| Cottey, Abel | Watchmaker | d. 1712 |
| Couzens, see Cozens | | |
| Cowan, see Cowen | | |
| Cowdrick, Charles | Silverplater | D 1833-1839 |
| Cowdrick, Charles H. | Silverplater | D 1840-1846, 1848-1850 |
| Cowell, Robert | Jeweller | Adv. 1777 |
| Cowen, William D. | Silversmith | D 1808, 1811-1814 |
| Cowperthwait, C. J. | Galvanic Plater | D 1846, 1848-1849 |
| Cox, Albion | Assayer At Mint | d. 1795 |
| Cox, Benjamin | Watchmaker | D 1809-1813 |
| Cox, John | Silversmith | D 1818 |
| Cox, see also Ward & Cox | | |
| Cozens, J. B. | Watchmaker | D 1823-1829 |
| Cozens, Jacob B. | Watchmaker | D 1818 |
| Cozens, Josiah B. | Watchmaker | D 1819-1824 |
| Craup, V. | Jeweller | D 1816 |
| Craven, Alfred | Watchmaker | 1843 |
| Crawford, John | SilversmithSilverplater | D 1837D 1842-1843 |
| Crawley, C. | Watchmaker | D 1829-1833 |
| Crawley, Edmond | Jeweller | D 1817-1824 |
| Crawley, Edmund T. | Jeweller | D 1824 |
| Crawley, John, see Crowley, John | | |
| Crepu, V. | Jeweller | D 1820-1822 |
| Creswell, James | Silverplater | Adv. 1794, D 1795-1799 |
| Creswell, S. J. | German Silver Mfr. | D 1840 |
| Creuse, Benjamin | Servant, Watchmaker | Adv. 1772 |
| Crider, Peter | Silversmith | D 1845 |
| Crocks, Frederick | Silverplater | D 1835-1839, 1843-1845, 1847-1850 |
| Crocker, William | Watchmaker | D 1837 |
| Croix, see Crocks | | |
| Cronsberry, T. | Jeweller | D 1848 |
| Crooks, see Crocks | | |
| Crouss, Victoire | Jeweller | D 1817 |
| Crowell, David B. | Watch Case Maker | D 1849-1850 |
| Crowley, E. | Watchmaker | D 1833 |
| Crowley, John | Watchmaker | D 1803-1825 |
| Crowley & Farr | Watchmakers | D 1823-1825 |
| Crowley, see also Somers & Crowley | | |
| Crox, see Crocks | | |
| Crump, Henry | Jeweller | D 1848 |
| Crumpton, Thomas | Silverplater | D 1823-1824 |
| Crumpton, William | Silverplater | D 1811-1813, 1816-1822 |
| Cumming, David B. | Gold & Silversmith | D 1811 |
| Cummings, Henry | Silversmith | D 1849-1850 |
| Cummings, John | Jeweller | D 1839, 1843-1848 |
| Cummings, John B. | Jeweller | D 1837 |
| Cummings, William | Jeweller | D 1841, 1845-1850 |
| Cure, Jule F. | Watchmaker & Jeweller | D 1839-1840 |
| Cure, Lewis | Jeweller | D 1811-1813, 1816-1819 |
| Curran, James | Jeweller | D 1843, 1845 |
| Currin, James W. | Jeweller | D 1843, 1846-1850 |
| Currin, Joseph | Silversmith | D 1829-1833 |
| Currin, see also Owens & Currin | | |
| Curry, John | Silversmith | D 1831-1841, 1845-1850 |
| Curry & Preston | Silver Manufacturers | D 1825, 1828-1831 |
| Curtis, Solomon | Watchmaker | D 1793, d. 1793 |
| Czekayski, Stanislas | Jeweller | D 1822-1824 |
|