| Surname | Trant |
| First Name(s) | William Henry |
| Date of Rank as Writer | 1798, Nov 1 |
| Execution of Covenant | 1799, Mar 14 |
| Notification of appointment from the Honorable the Court of Directors | 1799, Mar 13 |
| Arrived in India | 1799, Sept 14 |
| Date 5 | 1801, Nov: Proceeded to Europe. |
| Date 6 | 1803, Dec 13: Returned to India. |
| Date 7 | 1803, Dec 13: Assistant in the Governor General's Office. |
| Date 8 | 1805, July 25: Acting Record Keper in the Governor General's Office. |
| Date 9 | 1806, Mar 27: Second Assistant to the Resident at Hydrabad. |
| Date 10 | 1806, July 3: Officiating Register of the Zillah Court at Nuddea. |
| Date 11 | 1806, Aug 20: Assistant to the Collector of the 24-Pergunnahs. |
| Date 12 | 1807, Mar 12: Assistant to the Secretary to Government in the Military Department. |
| Date 13 | 1807, Sept 19: Assistant to the Secretary and to the Persian and Hindoostanee Translator to the Commissioners in the Ceded and Conquered Provinces. |
| Date 14 | 1807, Oct 20: Register to the Provincial Court at Bareilly. |
| Date 15 | 1808, Feb 20: Officiating Persian and Bengallee Translator to the Board of Commissioners in the Ceded and Conquered Provinces. |
| Date 16 | 1808, Feb 20: Deputed in the Public Service in the Revenue Department. |
| Date 17 | 1808, Mar 19: Accountant to the Board of Commissioners in the Ceded and Conquered Provinces. |
| Date 18 | 1809, May 19: Officiating Collector of Bareilly. |
| Date 19 | 1810, Jan 23:Officiating Collector of Etawah. |
| Date 20 | 1810, July 20: Collector of Bareilly. |
| Date 21 | 1811, April 30: Officiating Member to the Board of Superintendency. |
| Date 22 | 1811, June 11: Judge of the Dewanny Adawlut of the 24-Pergunnahs. |
| Date 23 | 1811, Dec 24: Secretary to the Board of Revenue. |
| Date 24 | 1813: Third Member of the Committee for Controlling the Expenditure of Stationary. |
| Date 25 | 1815, Feb 18: Officiating Secretary to Government in the Colonial and Financial Department. |
| Date 26 | 1815, Nov 24: Collector of the 24-Pergunnahs, and Collector of the House Tax at Calcutta, but Continuing to Officiate as Secretary to Government in the Colonial and Financial Department. |
| Date 27 | 1816, Mar 29: Officiating Member of the Board of Commissioners. |
| Date 28 | 1817, Oct 17: Junior Member of the Board of Commissioners. |
| Date 29 | 1819, Jan 29: Acting Member of the Board of Revenue. |
| Date 30 | 1819, April 30: Commissioner for investigating the Post-Office Affairs. |
| Date 31 | 1819, Dec 17: Proceeded to Europe. |
| Date 32 | Out of Service in 1824. |