ABERCORN, JAMES ALBERT EDWARD HAMILTON, 3RD DUKE OF (1869— ), British politician, son of the preceding, was born on Nov. 1, 1869, and was educated at Eton. Lord James Hamilton was M.P. for Londonderry, 1900-13, a leader of the Unionist Party in Ulster, and treasurer of H.M. Household in 1903-05. After the passage of the Government of Ireland Act, he became a senator of Northern Ireland, and in 1922 was appointed governor.