Seán Mac Diarmada, also known as Seán MacDermott, was an Irish republican political activist and revolutionary leader. Wikipedia
Born: 1883, Kiltyclogher, Ireland
Died: May 12, 1916 (age 33 years), Kilmainham Gaol, Dublin, Ireland
Place of burial: Arbour Hill Cemetery, Dublin, Ireland
Battles/wars: Easter Rising
Other work: Educator, principal, barrister, republican activist, poet
Years of service: 1913–1916