Lt. Hankin was born on 6 June 1881 in Jackson, Tennessee, USA. He was an actor, known for Injustice (1919). He was married to Ivor S. Davis. He died on 14 August 1949 in Los Angeles, California, USA.
A veteran of the Spanish-American War and of World War I, where he attained the rank of Second Lieutenant, Seventh Company, 164th U. S. Depot Brigade; after the end of the war, he went west to Los Angeles, where he was employed as a Pullman Porter for over twenty-five years.