“‘Rubicon’ – the family home of Pte. William F. McFadzean, Victoria Cross, who gave his life to save his comrades at Thiepval Wood on 1st July 1916 immediately prior to the Battle Of The Somme.” McFadzean died when he threw himself on a fallen box of grenades; for this action he was awarded the VC (WP).
The plaque is on Cregagh Road at Cregagh Park. There’s a picture of McFadzean standing outside the house at Royal Irish.