In summer 1742 the regiment was despatched to Belgium for service in the War of the Austrian Succession: it was held in reserve at the Battle of Dettingen in June 1743. but fought at the Battle of Fontenoy in May 1745. The regiment returned to England in October 1745 and were stationed in Lancashire during the Jacobite rising in 1745. On 1 July 1751 a royal warrant was issued declaring that in future regiments were no longer to be known by their colonel's name, but by the "Number or Rank of the Regiment". Accordingly, General Francis Leighton's Regiment was renamed as the 32nd Regiment of Foot.