In 1817 the regiment was removed to Kilkenny; and in 1818 to Athlone.
1819
1820
On the 25th of August, 1819, the regiment embarked from Cork, under the command of Colonel Tolley, for colonial service, and touching at the Cape of Good Hope, the flank companies landed, and remained at Cape Town a month. The battalion companies continued their voyage to Ceylon, and landed at Colombo on the 20th of February, 1820, under Major William Vandeleur. The flank companies, under Colonel Tolley, arrived in March.
1821
1822
The regiment remained seventeen months at Colombo, where it was joined by one hundred and twenty-eight volunteers from the Seventy-third; in August, 1821, it marched, under Major Vandeleur, for Kandy, where Colonel Tolley resumed the command, and on his proceeding on leave of absence, in October, 1822, the command devolved on Brevet Lieut.-Colonel Lionel Hook.
1823
Lieut.-General Gordon died in the spring of 1823, and was succeeded in the colonelcy by Lieut.-General William Carr, Viscount Beresford, G.C.B., and G.C.H.
1824
In March, 1824, the regiment returned to Colombo, where it lost several officers and a number of men by a malignant fever.
1825
1826