Field Marshal Sir Henry Hughes Wilson, 1st Baronet, GCB, DSO (5 May 1864 – 22 June 1922) was one of the most senior British Army staff officers of the First World War and was briefly an Irish unionist politician. After retiring from the army Wilson served briefly as a Member of Parliament, and also as security advisor to the Northern Ireland government. He was assassinated on his own doorstep by two IRA gunmen in 1922 whilst returning home from unveiling a war memorial at Liverpool Street station.