Seán Mac Stíofáin
E434138
Seán Mac Stíofáin was a prominent Irish republican and founding Chief of Staff of the Provisional IRA, known for his central role in the militant campaign during the early years of the Troubles.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Seán Mac Stíofáin canonical | 4 |
| Seán Mac Stiofáin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4339436 — 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 Stíofáin Context triple: [pre-1969 Irish Republican Army, notableLeader, Seán Mac Stíofáin]
-
A.
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.
-
B.
Seán Mac Diarmada
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.
-
C.
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.
-
D.
Tomás Mac Giolla
Tomás Mac Giolla was an Irish republican politician and long-time leader of Official Sinn Féin who later became president of the Workers' Party and served as a Teachta Dála (TD) and Lord Mayor of Dublin.
-
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 Stíofáin Target entity description: Seán Mac Stíofáin was a prominent Irish republican and founding Chief of Staff of the Provisional IRA, known for his central role in the militant campaign during the early years of the Troubles.
-
A.
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.
-
B.
Seán Mac Diarmada
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.
-
C.
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.
-
D.
Tomás Mac Giolla
Tomás Mac Giolla was an Irish republican politician and long-time leader of Official Sinn Féin who later became president of the Workers' Party and served as a Teachta Dála (TD) and Lord Mayor of Dublin.
-
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 (47)
| Predicate | Object |
|---|---|
| instanceOf |
Irish republican
ⓘ
paramilitary leader ⓘ person ⓘ revolutionary ⓘ |
| activeYears | 1940s–1970s ⓘ |
| advocated | armed struggle to end British rule in Northern Ireland ⓘ |
| alsoKnownAs |
Seán Mac Stiofáin
ⓘ
linked to:
Seán Mac Stíofáin
Seán Mac Stíofáin ⓘ |
| birthName | John Edward Drayton Stephenson ⓘ |
| causeOfDeath | emphysema ⓘ |
| citizenship | Irish ⓘ |
| convertedTo | Irish republicanism in youth ⓘ |
| countryOfBirth | United Kingdom ⓘ |
| dateOfBirth | 1928-02-17 ⓘ |
| dateOfDeath | 2001-05-18 ⓘ |
| endTime | 1972 ⓘ |
| era | 20th century ⓘ |
| ethnicity | English ⓘ |
| ideology |
Irish nationalism
ⓘ
republican socialism ⓘ |
| influencedBy | traditional Irish republican ideology ⓘ |
| languageSpoken |
English
ⓘ
Irish ⓘ |
| memberOf |
Irish Republican Army
ⓘ
Provisional Irish Republican Army ⓘ Sinn Féin ⓘ |
| movement |
Irish republicanism
ⓘ
physical-force republicanism ⓘ |
| nationalityAtBirth | British ⓘ |
| notableEvent |
arrested and imprisoned by Irish authorities in 1972
ⓘ
played central role in formation of the Provisional IRA in 1969 ⓘ |
| notableFor | founding Chief of Staff of the Provisional Irish Republican Army ⓘ |
| notableWork | Memoirs of a Revolutionary ⓘ |
| occupation |
paramilitary leader
ⓘ
political activist ⓘ |
| participatedIn |
Provisional IRA armed campaign in Northern Ireland
ⓘ
The Troubles ⓘ |
| placeOfBirth | Leytonstone, London, England ⓘ |
| placeOfDeath |
Dublin, Ireland
ⓘ
linked to:
Dublin
|
| positionHeld | Chief of Staff of the Provisional IRA ⓘ |
| religion | Roman Catholicism ⓘ |
| residence |
County Meath, Ireland
ⓘ
linked to:
County Meath
Dublin, Ireland ⓘ
linked to:
Dublin
|
| spouse |
Máire Mac Stíofáin
ⓘ
linked to:
Máire Mac Giolla
|
| startTime | 1969 ⓘ |
| subjectOf | historical studies on the Provisional IRA ⓘ |
| viewOnPartition | opposed partition of Ireland ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Seán Mac Stíofáin Description of subject: Seán Mac Stíofáin was a prominent Irish republican and founding Chief of Staff of the Provisional IRA, known for his central role in the militant campaign during the early years of the Troubles.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Seán Mac Stíofáin