Seán Mac Diarmada

E418915

Irish republican Irish revolutionary political activist revolutionary leader

Seán Mac Diarmada was an Irish revolutionary and key organizer of the 1916 Easter Rising who played a central role in planning the insurrection against British rule and was executed for his involvement.

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All labels observed (3)

Label	Occurrences
Seán Mac Diarmada canonical	8
Pádraig Anraí Mac Piarais	1
Seán Mac Diarmada Street, Dublin	1

How this entity was disambiguated

This entity first appeared as the object of triple T4096963 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Seán Mac Diarmada
Context triple: [Easter Rising, leader, Seán Mac Diarmada]

A. Feargus O'Connor
Feargus O'Connor was a prominent 19th-century Irish-born radical politician and journalist who became the most influential and charismatic leader of the British Chartist movement for democratic reform.
B. T. F. O'Rahilly
T. F. O'Rahilly was an influential Irish linguist and Celtic scholar known for his pioneering research on the history and development of the Irish language and other Celtic tongues.
C. Seán Mac Eoin
Seán Mac Eoin was an Irish revolutionary leader and later a senior military and political figure in the Irish Free State, renowned for his role in the War of Independence and subsequent national army service.
D. Máirtín Ó Muilleoir
Máirtín Ó Muilleoir is an Irish Sinn Féin politician, businessman, and former Lord Mayor of Belfast who has also served as Northern Ireland’s Minister of Finance.
E. Tomás Mac Curtain
Tomás Mac Curtain was an Irish republican revolutionary and politician who served as Lord Mayor of Cork and was assassinated in 1920 during the Irish War of Independence.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Seán Mac Diarmada
Target entity description: Seán Mac Diarmada was an Irish revolutionary and key organizer of the 1916 Easter Rising who played a central role in planning the insurrection against British rule and was executed for his involvement.

A. Feargus O'Connor
Feargus O'Connor was a prominent 19th-century Irish-born radical politician and journalist who became the most influential and charismatic leader of the British Chartist movement for democratic reform.
B. T. F. O'Rahilly
T. F. O'Rahilly was an influential Irish linguist and Celtic scholar known for his pioneering research on the history and development of the Irish language and other Celtic tongues.
C. Seán Mac Eoin
Seán Mac Eoin was an Irish revolutionary leader and later a senior military and political figure in the Irish Free State, renowned for his role in the War of Independence and subsequent national army service.
D. Máirtín Ó Muilleoir
Máirtín Ó Muilleoir is an Irish Sinn Féin politician, businessman, and former Lord Mayor of Belfast who has also served as Northern Ireland’s Minister of Finance.
E. Tomás Mac Curtain
Tomás Mac Curtain was an Irish republican revolutionary and politician who served as Lord Mayor of Cork and was assassinated in 1920 during the Irish War of Independence.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	Irish republican ⓘ Irish revolutionary ⓘ political activist ⓘ revolutionary leader ⓘ
alternateName	Seán MacDermott NERFINISHED ⓘ
associatedWithEvent	Irish War of Independence (as precursor through the Rising) ⓘ linked to: Irish War of Independence
associatedWithPlace	Kiltyclogher, County Leitrim ⓘ
birthName	John MacDermott NERFINISHED ⓘ
burialPlace	Arbour Hill Cemetery, Dublin ⓘ linked to: Arbour Hill Cemetery, Dublin, Ireland
causeOfDeath	execution by firing squad ⓘ
coConspirator	James Connolly NERFINISHED ⓘ Joseph Plunkett NERFINISHED ⓘ Patrick Pearse ⓘ Thomas Clarke ONNED1 ⓘ Thomas MacDonagh NERFINISHED ⓘ Éamonn Ceannt NERFINISHED ⓘ
commemoratedBy	Seán Mac Diarmada Street, Dublin ⓘ linked to: Seán Mac Diarmada monuments and memorials in County Leitrim ⓘ
convictedOf	rebellion against the British Crown ⓘ
countryOfCitizenship	Ireland ⓘ
dateOfBirth	1883-01-27 ⓘ
dateOfDeath	1916-05-12 ⓘ
ethnicGroup	Irish ⓘ
fullName	Seán Mac Diarmada ⓘ
hasOccupation	clerk ⓘ journalist ⓘ organizer ⓘ
ideology	Irish republicanism ⓘ anti-imperialism ⓘ
influenced	Irish independence movement ⓘ
languageSpoken	English ⓘ Irish ⓘ
mannerOfDeath	judicial execution ⓘ
memberOf	Gaelic League ⓘ linked to: Conradh na Gaeilge Irish Republican Brotherhood ⓘ Irish Volunteers ⓘ Sinn Féin ⓘ
movement	Irish nationalism ⓘ Irish republicanism ⓘ
notableFor	key organizer of the 1916 Easter Rising ⓘ planning insurrection against British rule in Ireland ⓘ
opposedTo	British rule in Ireland ⓘ
placeOfBirth	Corranmore, near Kiltyclogher, County Leitrim, Ireland ⓘ
placeOfDeath	Kilmainham Gaol, Dublin, Ireland ⓘ linked to: Kilmainham Gaol
plannedEvent	1916 Easter Rising ⓘ linked to: Easter Rising
positionHeld	key member of the Military Council planning the Easter Rising ⓘ member of the Supreme Council of the Irish Republican Brotherhood ⓘ national organizer of the Irish Volunteers ⓘ
religion	Roman Catholicism ⓘ
roleInEvent	principal organizer of the 1916 Easter Rising ⓘ

How these facts were elicited

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Easter Rising → leader → Seán Mac Diarmada ⓘ

Patrick H. Pearse → alsoKnownAs → Pádraig Anraí Mac Piarais ⓘ

subject linked to: Patrick H. Pearse (studied briefly via Royal University examinations)

linked to: Seán Mac Diarmada

Irish Republican Brotherhood → notableMember → Seán Mac Diarmada ⓘ

Stonebreakers’ Yard → associatedWithPerson → Seán Mac Diarmada ⓘ

Irish Volunteers → notableLeader → Seán Mac Diarmada ⓘ

Mac Diarmada → hasNotableBearer → Seán Mac Diarmada ⓘ

Proclamation of the Irish Republic → author → Seán Mac Diarmada ⓘ

Proclamation of the Irish Republic → signatory → Seán Mac Diarmada ⓘ

Seán Mac Diarmada → fullName → Seán Mac Diarmada ⓘ

Seán Mac Diarmada → commemoratedBy → Seán Mac Diarmada Street, Dublin ⓘ