6th Light Horse Regiment Lineage 

2nd Australian Light Horse Regiment (New South Wales Mounted Rifles) - 1903

9th Light Horse (New South Wales Mounted Rifles) - 1912

6th Light Horse (New South Wales Mounted Rifles) - 1918

6th Light Horse (New South Wales Mounted Rifles) divided into 3 parts and one remains as 6th Light Horse (New South Wales Mounted Rifles) - 1921

6th Motor Regiment 6th Light Horse (New South Wales Mounted Rifles) - 1st December, 1941

6th Australian Armoured Car Regiment - 21st September, 1942

Disbanded - 19th February, 1943

 Source: "The Lineage of Australian Army" by Alfred N Festberg