About Séamus Dwyer
Lived 1886 – 1922 (aged 36). Séamus Dwyer was a politician.
Séamus Dwyer (15 November 1886 – 20 December 1922) was an Irish politician. Serving as an intelligence officer for the Dublin Brigade of the Irish Republican Army, and as a Dáil Court judge he was imprisoned by the British in 1921. He was elected unopposed at the 1921 elections for the Dublin County constituency as a Sinn Féin Teachta Dála (TD) in the Second Dáil. He voted in favour of the Anglo-Irish Treaty. He stood as a pro-Treaty Sinn Féin candidate at the 1922 general election but was not elected.
On 20 December 1922 he was shot dead in his shop at 5 Rathmines Road, Dublin, by anti-Treaty IRA Volunteer Robert Bonfield. "At about 4.50 pm Mr O'Dwyer was talking to a customer when a young man enter the shop, addressing O'Dwyer the young man asked 'Are you Mr O'Dwyer?'. O'Dwyer replied yes and the young man said I have a note for you. The young man reached into the pocket of his overcoat a drew a revolver, he fired twice at O'Dwyer at point-blank range. O'Dwyer died instantly. The customer and a shop assistant gave chase but were unable to catch the assassin. Two republicans, Frank Lawlor and the actual assassin, Robert Bonfield, were later killed by Free State forces in revenge for the shooting of Dwyer.
O'Dwyer ran an off-licence/grocery shop in Rathmines. He was a member of Rathmines Urban Council. O'Dwyer married Marie Molloy in 1914, they had no children. He was a member of the Peace Committee of ten men which sat in May 1922 which brought about the agreement between Michael Collins and Éamon de Valera.
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Important facts
People in Séamus Dwyer's life
Named in this biography and alive at the same time
Contemporaries
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Frequently asked questions
Who was Séamus Dwyer?
Irish politician
When was Séamus Dwyer born?
Séamus Dwyer was born on 15 November 1886 in Dublin.
When did Séamus Dwyer die?
Séamus Dwyer died on 20 December 1922 in Dublin.
What was Séamus Dwyer's occupation?
Séamus Dwyer was a politician.
What nationality was Séamus Dwyer?
Séamus Dwyer's recorded nationality: Irish Republic.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Séamus Dwyer. https://biography.guide/seamus-dwyer/
MLA: "Séamus Dwyer." Biography.guide, https://biography.guide/seamus-dwyer/.
Chicago: "Séamus Dwyer." Biography.guide. https://biography.guide/seamus-dwyer/.
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