Sean Heuston

Seán Heuston was an Irish republican rebel and member of Fianna Éireann who took part in the Easter Rising of 1916. With about 20 Volunteers, he held the Mendicity Institution on the River Liffey for over two days, though it was originally only intended to be held for 3–4 hours. He was executed by firing squad on 8 May in Kilmainham Gaol. His court-martial record at Kew spells his name as Hewston J.J..