Trawley’s Horse 1743-1762 Lieutenant-General John Brown. app. 1 April 1743 — John Brown’s Horse from 1746 1st (Irish) Regiment of Horse and 4th Dragoon Guards or 1st Horse (Irish Establishment) or Blue Horse in the Irish establishment (from the British establishment) 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". 1762-1775 General James Johnston (Johnston of the Blues). app. 3 August 1762 1775-1778 General James Johnston (Irish Johnston). app. 27 April 1775 1778-1803 General George Warde. app. 1 April 1778 from 1788 4th (Royal Irish) Dragoon Guards in the British establishment (from the Irish establishment) 1803–1814 Lieutenant-General Miles Staveley 1814–1827 General Sir Henry Fane, GCB 1827–1849 General Sir George Anson, GCB 1849–1868 General Richard Pigot 1868–1874 General Sir James Charles Chatterton, 3rd Baronet, GCB, KH 1874–1894 General Sir Edward Cooper Hodge, GCB 1894–1896 Lieutenant-General William Godfrey Dunham Massy, CB 1896–1908 Lieutenant-General Sir Henry Clement Wilkinson, KCB 1908–1922 Lieutenant-General Sir Edward Cecil Bethune, KCB, CVO from 1921 4th Royal Irish Dragoon Guards In 1922 the regiment was amalgamated with the 7th Dragoon Guards (Princess Royal's) to form the 4th/7th Royal Dragoon Guards. See also British cavalry during the First World War References Bibliography External links Cavalry regiments of the British Army Dragoon Guards 1685 establishments in England 1922 disestablishments in the United Kingdom DG4 Defunct Irish regiments of the British Army Military units and formations disestablished in 1922 Military units and formations established in 1685 Regiments of the British Army in the Crimean War