The Irish Guards regiment is formed on April 1, 1900 by order of Queen Victoria to commemorate the Irishmen who fought in the Second Boer War for the British Empire. The Irish Guards, part of the Guards Division, is a Foot Guards regiment based in Cavalry Barracks, Hounslow.

The regiment takes its motto, “Quis Separabit” or “Who shall separate us?” from the Order of St. Patrick, an order of chivalry founded by George III.

As a Foot Guards Regiment the Irish Guards Regiment is involved in state ceremonial and public duties at Buckingham Palace, Windsor Castle, St. James’s Palace, and the Tower of London. HRH Prince William is Colonel of the Regiment and wore the uniform of the Irish Guards for his marriage to Kate Middleton.

St. Patrick’s Day is the traditional celebration of the Irish Guards and fresh shamrock is presented to members of the regiment.

The 1st Battalion Irish Guards is broken down into five separate Companies – three rifle companies, Numbers One, Two, and Four Companies, the Support Company (3 Company) and Headquarter Company. The rifle companies use the Warrior tracked armoured vehicle. In common with her sister Guards regiments, the regimental organization also includes the Band of the Irish Guards and the Corps of Drums, a fife and drum band.

The Battalion has deployed on recent conflicts including Iraq and Afghanistan. The Battalion has also recently carried out a tour of Cyprus under the United Nations. As well as deploying on operations the Battalion has also deployed on various oversea exercises to Bosnia, Latvia, Oman, Kenya, and numerous other countries.