His most notable action was the creation of Union Street, Aberdeen.
[1] On his father's death in 1788 Thomas inherited the mills and a recently acquired estate at Glasgowforest in the parish of Kinellar.
[2] He appears to have trained as a lawyer and was serving as Chief Magistrate of Aberdeen in the late 18th century.
At this phase he was involved in the plans to create a major new road in the centre, with Baillie James Hadden, which later materialised as Union Street, Aberdeen which was built over a ten year period roughly 1800 to 1810.
[3] He was first elected Provost of Aberdeen in 1797, serving a then-standard two year term.