| Chaplain, Geo. Watkins. | Adjutant, J. Frognorton. |
| Surgeon, Tho. London. | Quarter-Master, Cosmo Gordon. |
The formation of the regiment being completed, it received orders to embark for Gibraltar, and was stationed at that important fortress during the whole of the seven years' war, and remained there until 1768.
1758
1759
In October, 1758, Colonel Whitmore was removed to the ninth regiment of foot; and was succeeded in the colonelcy of the FIFTY-THIRD, in April, 1759, by Colonel John Toovey, from lieut.-colonel in the royal dragoons.
1768
The regiment was relieved from duty at the fortress of Gibraltar in 1768, when it embarked for Ireland, where it was quartered during the following eight years.
1770
Colonel Toovey died in the early part of the year 1770, and King George III. conferred the colonelcy on Colonel R. Dalrymple Horne Elphinstone, who had commanded the 120th regiment of foot, which was disbanded after the peace in 1763.
1775