Terence Hamilton-Temple-Blackwood, 2nd Marquess of Dufferin and Ava

Terence John Temple Hamilton-Temple-Blackwood, 2nd Marquess of Dufferin and Ava DL JP (16 March 1866–7 February 1918), styled Lord Terence Blackwood between 1888 and 1900 and Earl of Ava between 1900 and 1902, was a British diplomat.

Lord Dufferin was the second son of Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava. As a younger son, he was not expected to inherit the title, but on the death of his brother Archibald, Earl of Ava at the Siege of Ladysmith in the Second Boer War on 11 January 1900, he became the heir and assumed the courtesy title Earl of Ava himself before succeeding his father in 1902.

He was a clerk at the Foreign Office, Second Secretary of the Diplomatic Service and a Justice of the Peace and Deputy Lieutenant for County Down.

Lord Dufferin married Florence Davis, the daughter of John H. Davis, of 24 Washington Square, New York City, in 1893, and had three daughters:

Lord Dufferin died from pneumonia on 7 February 1918 and was buried at the Dufferin ancestral seat of Clandeboye, County Down. The marquessate passed to his youngest brother, Lord Frederick Blackwood. Two years after his death his widow married again, to Richard George Penn Curzon, 4th Earl Howe, and died on 14 April 1925.

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