[1] A year later on 3 January 1879, the troop was expanded to a full independent cavalry squadron and renamed as The Princess Louise Dragoon Guards in honour of its patron, the Princess Louise, Marchioness of Lorne, who was the wife of the Governor General, the Marquess of Lorne.
[1] As the only cavalry unit in Ottawa, the PLDG had the honour to provide the mounted escort for the governor general within the capital.
[2][3][4][5] As a result of the Otter Commission, on 15 March 1920, the regiment was redesignated once again as The Princess Louise Dragoon Guards.
Their undress dark blue peaked cap had a scarlet band and piping, which was a unique distinction granted to this regiment.
[11] After its amalgamation with the 4th Hussars in 1936, the newly formed 4th Princess Louise Dragoon Guards continued to use this uniform in full dress until they were placed on the Supplementary Order of Battle in 1965.