[6] In July 1822, after publishing his book, he succeeded to the heavily indebted estates of Garth, Drumcharry, Kynachan and Inchgarth by the death of his elder brother William.

[7] When George IV visited Edinburgh in August 1822, Stewart helped Sir Walter Scott in the reception arrangements, headed the Celtic club in the procession, adjusted the royal plaid for the levée, and pronounced the king ‘a very pretty man’ (Lockhart).

His men were so much attached to him that when he was at Shorncliffe army barracks, in the following year, Sir John Moore interposed to prevent his being sent to India to join the 1st battalion.

At Maida, on 4 July 1806, under General John Stuart, he commanded a battalion of light companies and ensuring the defeat of the French under Jean Reynier outside the town.

He received a medal with one clasp for this and the operation at Maida, and in 1815 he was awarded Companion of the Most Honourable Order of the Bath He was promoted colonel in the army on 4 June 1814, and in the following year he was placed on half-pay.

The first two parts of it, dealing with the country and the people, occupy about half of the first volume; the remainder is devoted the annals of Scottish regiments.

Remarks on Colonel Stewart's Sketches of the Highlanders were published at Edinburgh in 1823, admitting its merits, but objecting to its Jacobite sympathies.