^"His Majesty has been pleased to order that the 86th Regiment of Foot shall in future be styled the 86th (or Leinster) Regiment."The London Gazette: no. 16309. p. 1690. 24 October 1809.
^"His Royal Highness the Prince Regent, in the name and on the behalf of His Majesty, has been pleased to approve of the 86th Regiment being in future styled the 86th (or Royal County Down) Regiment..."The London Gazette: no. 16604. p. 929. 26 May 1812.