- Son of Alexander Allan, brick and tile manufacturer, Old Aberdeen.
- 1806 – Education: M.A., Marischal College
- App. to Alexander Crombie
- 1815 – Joint Legal Assessor and Clerk to the. Incorporated Trades of Aberdeen
- Prominent Freemason.
- 1814 – Admitted 29th December, as a Guild burgess of Aberdeen
- 1823 – Admitted April, as a honorary burgess of Old Aberdeen
- 1824 – Married at Burnside, 7th October
- Went to Canada, where acted as District Superintendent of Schools, which voided 1st January, 1850, through the abolition of the office.
- Subsequently was Superintendent of Schools for Township of Waterloo and Woolwich, as also Town Clerk of Preston, Canada.
- 1855 – Died, at Preston, Canada, 16th July