Seán Heuston was born in 1891 and was responsible for the organisation of Fianna Éireann in Limerick. Along with Con Colbert, Heuston was involved in the education of the schoolboys at Scoil Éanna, and organised drill and other exercises at the school. He was also a captain in the First Battalion of the Volunteers and during the Rising, his section occupied the Mendicity Institute on the south side of the Liffey, holding out there for two days. He was executed on the 8th of May 1916. Heuston Railway station in Dublin is named after him.