| Surname | Laing |
| First Name(s) | John William |
| Date of Rank as Writer Writer | 1795, Sept 26 |
| Execution of Covenant | 1795, April 4 |
| Notification of Appointment from the Honourable Court of Directors | 1795, April 15 |
| Arrived in India | 1796, Feb 26 |
| Date 5 | 1796, Mar 21: Assistant to the Collector of Midnapore. |
| Date 6 | 1796, June 6: Assistant to the Secretary to the Board of Trade, Salt and Opium Departments. |
| Date 7 | 1797, May 29: Assistant to the Collector of Rungpore. |
| Date 8 | 1802, Mar 11: Sub-Secretary to the Board of Revenue. |
| Date 9 | 1803, Mar 18: Acting Collector of Sylhet. |
| Date 10 | 1803, June 9: Officiating Collector of Tipperah. |
| Date 11 | 1803, Aug 4: Officiating Collector of Dinagepore. |
| Date 12 | 1803, Sep 1: Acting Collector of Purneah. |
| Date 13 | 1804, Aug 1: Collector of Purneah. |
| Date 14 | 1807, Mar 23: Collector of Shahabad and Officiating Judge and Magistrate of Tirhoot. |
| Date 15 | 1807, July 2: Collector of Etawah. |
| Date 16 | 1807, Dec 10: Officiating Judge and Magistrate of Bhaugulpore. |
| Date 17 | 1810, Jan 23: Officiating Judge and Magistrate of Agra. |
| Date 18 | 1812, Feb 10: Secretary to the Board of Commissioners in the Ceded and Conquered Provinces. |
| Date 19 | 1813: On an Enquiry at the Cawnpore Custom House. |
| Date 20 | 1815, April 8: Officiating Collector of Customs at Mirzapore. |
| Date 21 | 1816, Mar 29: Collector of Shahabad. |
| Date 22 | 1820, Jan 11: Collector of Government Customs and Town Duties at Allahabad. |
| Date 23 | 1825, Dec 29: Collector and Salt Agent at Bullooah. |
| Date 24 | 1828, May 8: Collector of Customs and Town Duties at Benares. |
| Date 25 | 1828, Aug 7: Collector of Government Customs and Town Duties at Agra. |
| Date 26 | 1835, April 17: Member of the Local Committee of Public Instruction at Agra. |
| Date 27 | Retired on Annuity, May 1st, 1836. |