| Surname | Oakes |
| First Name(s) | William Henry |
| Date of Rank as Writer Writer | 1807, July 21 |
| Notification of Appointment from the Honourable Court of Directors | 1811, April 10 |
| Arrived in India | 1810, Dec 13 |
| Date 5 | 1813, Aug 7: Assistant to the Collector of the 24-Pergunnahs. |
| Date 6 | 1814, Jan 21: Assistant in the Office of Superintendent of Stamps. |
| Date 7 | 1815, Feb 28: Second Assistant in the Accountant General's Office. |
| Date 8 | 1816, Jan 27: Head Assistant in the Accountant General's Office. |
| Date 9 | 1816, June 18: Assistant to the Civil Auditor and Accountant in the Revenue and Judicial Departments. |
| Date 10 | 1818, Dec 27: Acting Civil Auditor and Accountant in the Revenue and Judicial Departments, and nominated to Endorse Stamp Papers. |
| Date 11 | 1820, Nov 24: Officiating Accountant in the Commercial and Marine Departments and Auditor of Commercial Accounts. |
| Date 12 | Officiating Sub-Accountant General, Civil Auditor and Accountant in the Revenue and Judicial Departments. |
| Date 13 | 1821, Feb 16: Appointed to register and grant Certificates of Registry of all Vessels built in India. |
| Date 14 | 1822, Feb 23: Accountant in the Commercial and Marine Departments, and Auditor in the Commercial, Salt and Opium, Departments, Acting Sub-Accountant General, Accountant to the Board of Revenue and Judicial Departments, and Civil Auditor. |
| Date 15 | 1822, Feb 25: Accountant in the Commercial and Marine Departments, and Auditor in the Commercial, Salt and Opium, Departments, Acting Sub-Accountant General, Accountant to the Board of Revenue and Judicial Departments, and Civil Auditor. |
| Date 16 | 1822, Dec 4: Sub-Accountant General and Accountant to the Revenue and Judicial Departments, and Civil Auditor. |
| Date 17 | 1824, Feb 26: Appointed to register Ships and Vessels at Calcutta. |
| Date 18 | 1826, June 8: Member of the Committee for Revising the Rules relative to Deputation Allowances. |
| Date 19 | 1826, Sept 21: Superintendent of the Accounts of the Native Branch of the Post Office Establishment. |
| Date 20 | 1829, Feb 6: Deputy Accountant General and Accountant in the Military Department. |
| Date 21 | 1833, May 13: Sub-Treasurer. |