 Clare's Dragoons remained loyal to the dethroned James II of England and fought against the army of William III of England, during the Williamite War in Ireland.On 1 July 1751 a royal warrant provided that in future regiments would not be known by their colonels' names, but by their "number or rank".Accordingly, Lieutenant-General Irvine's Regiment was redesignated as the 5th Regiment of Foot.