 It fought but was completely outflanked at the Battle of Prestonpans in September 1745 and then took part in the equally disastrous Battle of Falkirk Muir in January 1746 during the Jacobite rising of 1745.The regiment returned to Ireland in 1747 and it was formally renamed as the 14th Regiment of Dragoons in 1751.It became a light dragoon regiment in 1776, as the 14th Regiment of (Light) Dragoons, and two troops were detached and joined 8th Light Dragoons in the Low Countries in 1794 for service in the Flanders Campaign.