Mark Beresford Russell Grant Sturgis

Sir Mark Beresford Russell Grant-Sturgis KCB (1884–1949) was Assistant Under-Secretary for Ireland. The son of Julian Sturgis and Mary Maud Sturgis née Beresford, he was educated at Eton College before becoming assistant private secretary to then chancellor of the exchequer, Herbert Asquith. He married Ellen Rachel Montagu-Stuarty-Wortley on July 9, 1914.

From 1920 to 1922 he was assistant to the joint Under-Secretaries for Ireland, James Macmahon and Sir John Anderson. He subsequently became Presiding Special Commissioner of Income Tax. The 1923 New Year Honours saw him appointed Knight Commander of the Order of the Bath.