| Rt Hon Henry Dundas | 1784 | 1801 |
| Rt Hon George Tierney | 1806 | |
| Rt Hon Thomas Wallace | 1807 | 1816 |
| Rt Hon Robert Saunders-Dundas | April 1807 | July 1809 |
| Rt Hon Robert Saunders-Dundas | November 1809 | April 1812 |
| Rt Hon George Canning | 1816 | 1822 |
| Rt Hon Charles Bragge | January 1821 | February 1822 |
| Charles Watkin Williams Wynn | 1822 | 1828 |
| Rt Hon Charles Grant | November 1830 | November 1834 |
| Rt Hon Sir John Cam Hobhouse, bt | 23 April 1835 | 30 August 1841 |
| Rt Hon William Vesey-Fitzgerald, Baron Fitzgerald | 23 October 1841 | 17 May 1843 |
| Rt Hon Sir John Cam Hobhouse, bt | 8 July 1846 | 5 February 1852 |
| Rt Hon Fox Maule | 5 February 1852 | 21 February 1852 |
| Rt Hon John Charles Herries | 28 February 1852 | 17 December 1852 |
| Rt Hon Sir Charles Wood, bt | 30 December 1852 | 3 March 1855 |
| Rt Hon Robert Vernon Smith | 3 March 1855 | 21 February 1858 |