Career
Born in Maybole, South Ayrshire, Scotland, Aird joined the 2nd Dragoons as a cornet on 20 August 1784. After serving with the Duke of York on the Continent in 1793-1795, he was promoted to Lieutenant in 1799 and then transferred to the Royal Waggon Train as a Captain on 2 May 1800. Promotion to Major followed on 27 October 1808.
To brevet Lieutenant Colonel on 2 June 1814 and to Lieutenant-Colonel on 4 May 1815.
He served during the Peninsular War and in Flanders and commanded the Royal Waggon Train at the Battle of Waterloo. On 25 December 1818 he was placed on half pay and died on 1 November 1839 in Sunderland, North East England.
There is a memorial tablet dedicated to Aird in the Parish Church at Maybole.