From York it marched to Northampton, where it arrived on the 5th of July, and having established a dépôt of four troops at that place, under the command of Major Watts, the remaining six troops proceeded to Ramsgate and Dover, where they embarked on the 21st of July, under the command of Lieutenant-Colonel Holmes.
Having landed at Ostend on the 23rd and 24th (with the loss of one horse only on the passage), the regiment marched from thence to Drouges, near Ghent, where it arrived on the 25th. Advancing up the country it entered France, and proceeding to the vicinity of Paris, took part in several grand military spectacles and reviews, at which the sovereigns of Russia, Prussia, Austria, and France were present.
On the 29th of October the regiment marched to Fontenoy, occupying also Guitrancourt and St. Cyr; and while stationed there it transferred 108 horses to the 1st and 2nd Dragoon Guards, 3rd Dragoons, and 13th Light Dragoons; also exchanged 54 others. Leaving Fontenoy on the 17th of December, the regiment marched for Abbeville, where it arrived on the 28th of that month.
1816
After the definitive treaties between France and the allied powers were settled, the British troops withdrew from France, excepting a small army of occupation. The Third Dragoon Guards left Abbeville on the 15th of January, 1816, arrived at Calais on the 24th, where they immediately embarked, and landed at Dover and Ramsgate on the following day, from whence they proceeded to Romford, and a reduction of two troops was again made in the establishment. On the 12th of February the service troops marched for Leicester, where they arrived on the 19th, and joined the regimental dépôt. On the 23rd the regiment marched for Manchester, where the head-quarters arrived on the 29th, and detachments occupied Sheffield, Huddersfield, Leeds, and Liverpool. In May a draft of 184 horses was received from the Royal Artillery.
Towards the end of June the regiment embarked at Liverpool for Ireland, and having landed at Dublin, marched to Ballinarobe, Gort, Sligo, Castlebar, Roscommon, and Dunmore; and in August a further reduction was made in the establishment.
1817
In March, 1817, Lieutenant-Colonel Holmes received the ribbon and badge of a Companion of the most Honourable Military Order of the Bath, which was transmitted to him, in compliance with the commands of his Royal Highness the Prince Regent, by the Duke of York, in a letter bearing date the 11th of March, 1817.
1818
1819
In June, 1818, the regiment marched to Dublin, Philipstown, and Tullamore. In the early part of the following year the several troops assembled at Dublin, and a further reduction was made in the establishment. During the summer the regiment marched to Cahir, Carrick-on-Suir, Clogheen, Fethard, and Newross.