John Cusack (1867-2 April 1940) was a judge and local politician. Called to the Irish Bar in 1893 he stood as a Unionist candidate for an Irish constituency in 1910. With the independence of the Irish Free State he retired from his judicial appointments in 1924. He moved to Twickenham, and was a member of Middlesex County Council and Twickenham Borough Council. He served as Mayor of Twickenham and chairman of Twickenham Education Committee. For the Australian politician of the same name see [1].