| Surname | Martin |
| First Name(s) | William Byam |
| Date of Rank as Writer Writer | 1798, Nov 1 |
| Execution of Covenant | 1798, Feb 14 |
| Notification of Appointment from the Honourable Court of Directors | 1799, Mar 13 |
| Arrived in India | 1799, Oct 21 |
| Date 5 | 1803, April 4: Assistant in the Governor General's Office. |
| Date 6 | 1805, May 11: Assistant to the Resident at Fort Marlborough. |
| Date 7 | 1808, July 8: Officiating Collector of Purnea. |
| Date 8 | 1808, Aug 27: Collector of Dinagepore. |
| Date 9 | 1809, May 13: Officiating Judge and Magistrate of Moorshedabad. |
| Date 10 | 1809, July 14: Judge of the Dewanny Adawlut of the 24-Pergunnahs. |
| Date 11 | 1810, Dec 1: Resident at Amboyna. |
| Date 12 | 1817, Oct 1: Officiating Agent to the Governor General at Moorshedabad. |
| Date 13 | 1818, Oct 2: Officiating Junior Member of the Board of Commissioenrs, in the Ceded and Conquered Provinces. |
| Date 14 | 1819, Oct 29: In Charge of the Office of Agent to the Governor General at Bareilly. |
| Date 15 | 1820, Nov 24: Officiating Junior Member of the Board of Revenue. |
| Date 16 | 1821: Member of the Sudder Special Commission. |
| Date 17 | 1821, Mar 16: Junior Member of the Board of Revenue. |
| Date 18 | 1822, June 12: Junior Member of the Board of Commissioners, Behar and Benares. |
| Date 19 | 1823, Feb 27: Puisne Judge of the Sudder Dewanny and Nizamut Adawlut. |
| Date 20 | 1823, July 31: Member of the General Committee of Public Instruction. |
| Date 21 | 1825, Aug 26: Resident at Hydrabad. |
| Date 22 | 1830, July 2: Resident at Delhi. |
| Date 23 | 1832, April 16: Resident at Indore and Ex-officio Opium Agent at Malwa. |
| Date 24 | 1834, Jan 25: Proceeded to Europe on Furlough. |
| Date 25 | 1835, Feb 27: Third Ordinary Member of the Council of India. (Never joined.) |
| Date 26 | Retired on Annuity, May 1st, 1836. |