Background
He was born in Clandeboye in Ireland. After spending part of his childhood in Canada, where his father was Governor General, he attended Harrow School.
He was born in Clandeboye in Ireland. After spending part of his childhood in Canada, where his father was Governor General, he attended Harrow School.
He went up to Balliol College, Oxford in 1891, but never graduated.
Blackwood studied law and was called to the Bar in 1896. In 1900, he was taken to South Africa by Lord Milner, who had been appointed High Commissioner of South Africa in 1897 and assembled a body of talented young assistants who became known as Blackwood was employed in the Judge Advocate"s Department for a year, then was Assistant Colonial Secretary of Orange River Colony from 1901 to 1907. He became Colonial Secretary of Barbados in 1907 and returning to England in 1910, was appointed Assistant Secretary of the Land Development Commission.
On the outbreak of World War I, Blackwood obtained a Commission as a 2nd Lieutenant in the 9th Lancers, at the age of 44.
He served as a "galloper" at the Battle of Mons and was severely wounded in October 1914 and returned to the United Kingdom. While not yet fit for active service, he served in the Intelligence Corps, and was Private Secretary to the Lord Lieutenant of Ireland in 1916.
But had recovered sufficiently to become a Lieutenant in the Grenadier Guards in the same year. Blackwood was killed in action in a night raid at Boesinghe near Ypres on 4 July 1917.
His name is inscribed on the Menin Gate Memorial to the Missing.