While at the Cape, Mouat-Keith and Protector captured a Dutch East Indiaman (the former James Sibbald, and her cargo of cochineal, ivory, indigo, etc., supposedly worth £300,000.

[15] On 16 May 1809 Redbreast was credited with the capture of Anna Sophia, Grisstadt and Wannerne, and on the following 24 July Twee Gesetsters, with those 'actually on board' being promised a bounty, according to Act of Parliament.

[16][17] In 1811 Mouat-Keith was involved in a skirmish in the Jahde – "On the 1st of August, as a squadron, consisting of the 32-gun frigate Quebec, Captain Charles Sibthorpe Hawtayne, 16-gun brig Raven, Commander George G. Lennock, gun-brigs Exertion and Redbreast, Lieutenants James Murray and Sir George M. Keith, baronet, and hired cutters Alert and Princess Augusta, were cruising off Texel, information of some Danish gun-brigs was received, which induced Captain Hawtayne to despatch ten boats from the squadron, under the command of Lieutenant Samuel Blyth, containing 117 seamen and marines, to cut them out.

"[18] The squadron received intelligence from earlier captures of four Danish gun brigs lying at anchor at the island of Nordeney and Hawtayne sent in a cutting-out party of 10 boats.

On 21 January 1815 Mouat-Keith was noted in the Journals of the House of Commons as having been paid £21/1s/0d for carrying the Aide-de-Camp of the King of Prussia to Dover, and the Chancellor General to the Emperor of Russia to Ostend aboard the Redbreast.

[22] Mr Nicolson, of Bullister and Lochend, was a merchant in Lerwick who purchased a large amount of landed property, including the Island of Papa Stour, which he acquired from John Scott of Scottshall on 16 May 1716.

[23] Mr Nicolson claimed possession of the island, and other lands, these having originally been 'acquired from the family of Mowat Keith' and by right of seisin in 1739.

[26] He also had a miniature portrait by the "well-known Jewish miniaturist painter, Solomon Polack, a friend of William Makepeace Thackeray",[27] a Flemish artist[28] of 6, Artillery Lane, Bishopsgate Street, London, which was displayed at the Royal Academy of Arts.

They had at least one daughter, Margaret Rebecca Mouat-Keith, who married John Frederick Ellerton of the East India Company on 9 August 1816 in Calcutta.

Probate of the "Will of Sir George Mouat-Keith, Commander in His Britannic Majesty's Navy of Evreux, Normandy, France" did not occur until 5 January 1852, some 30 years after his death.