| Southwell, Francis | 1804–1815 (1821) |
| Southwell, James | 1822–1838 |
| Southwell, John (ii) | before 1804–1844 |
| Southwell, Marcus | 1841–after 1850 |
| Southwell, Nicholas | 1804–1815 |
| Southwell, William | 1781–c. 1815 |
| Southwell, William & Co. | 1804–c. 1815 |
| Weber, Ferdinand | [1739?] 1749–1784 |
| Weber, Rachel | 1784–1789 |
| Weber, Thomas Ferdinand | 1784–1795 |
