James Hamilton, 4th Duke of Abercorn

James Edward Hamilton, 4th Duke of Abercorn (29 February 1904 – 4 June 1979) was a British peer. He was the son of James Hamilton, 3rd Duke of Abercorn and Lady Rosalind Cecilia Caroline Bingham. He was variously styled Viscount Strabane (1904–1913), Marquess of Hamilton (1913–1953), and finally inherited his father's peerages on 12 September 1953.

Lord Hamilton (as he then was) attended Eton. He was commissioned into the Grenadier Guards, where he rose to the rank of captain. In 1946, he was elected to the County Council of County Tyrone, served as High Sheriff of Tyrone, and then served in the Senate of Northern Ireland. He became Lord Lieutenant of County Tyrone on his father's death, a position he held for the remainder of his life. He was appointed honorary colonel of the 5th Battalion, Royal Inniskilling Fusiliers (a Territorial Army unit), and died at age 75.

In 1928 he married Lady Kathleen Crichton (1905–1990), a daughter of Henry Crichton, Viscount Crichton (1872–1914, son of the 4th and father of the 5th Earl of Erne) and Lady Mary Cavendish Grosvenor (1883–1959, daughter of the 1st Duke of Westminster).

They had two sons and a daughter:

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