Badge of the 4th Princess Louise Dragoon Guards
Blazon
The coronet of a marquess proper enfiled by a monogram composed of two "Ls" intertwined Argent, above the Roman numerals "IV" Or resting on a scroll Azure edged and inscribed PRINCESS LOUISE DRAGOON GUARDS in letters Or, the whole surmounted by the coronet of a daughter of the Sovereign proper;
Symbolism
The coronets and intertwined Ls refer to the Regiment's namesake, Princess Louise (1848-1939), daughter of Queen Victoria, and her husband the Marquess of Lorne (1845-1914), Governor General of Canada from 1878 to 1883. The Roman numerals "IV" recalls the name of the regiment. In 1936, the 4th Hussars of Canada were amalgamated with the Princess Louise Dragoon Guards and redesignated 4th Princess Louise Dragoon Guards.
Motto of the 4th Princess Louise Dragoon Guards
Blazon
PRO ARIS ET FOCIS;
Symbolism
Meaning: "For our altars and our homes".