He was on the War Office staff from 1915 to 1917, and was appointed a temporary Lieutenant Colonel and Director of National Service for Scotland in 1917.

[citation needed] Murray was an unsuccessful parliamentary candidate in Edinburgh South in 1910, but was elected for the seat in December 1918, holding it until October 1922.

[2] He was sworn of the Privy Council[3] and promoted to Lord Advocate in March 1922,[4] holding office until October of that year.

[5] In later life he is listed as living at 62 Great King Street in Edinburgh's New Town, a large and impressive Georgian townhouse.

Their eldest son, David Charles Graeme Murray, married the Comtesse Elena Maia Sollohub.