- 1807 – Born. Son of Alexander Allan, brick and tile manufacturer, Old Aberdeen.
- 1821 – Education: M.A., Marischal College
- Apprenticed to Francis Gordon
- 1843 – Joint Clerk and Assessor to the Incorporated Trades of Aberdeen.
- 1833 – Admitted 15th October, as a Guild Burgess
- 1877 – Died, unmarried, at Aberdeen, 10th May