O'Brien
E123498
O'Brien is a common Irish surname of Gaelic origin, historically associated with the descendants of the High King Brian Boru.
All labels observed (5)
| Label | Occurrences |
|---|---|
| O'Brien canonical | 44 |
| O’Brien | 19 |
| O'Brien (namesake) | 1 |
| Obrien | 1 |
| O’Bryan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1087712 — 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: O'Brien Context triple: [Timothy O'Brien, familyName, O'Brien]
-
A.
Brennan
Brennan is a surname most prominently associated with William J. Brennan Jr., a long-serving and influential Associate Justice of the United States Supreme Court known for his progressive jurisprudence.
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B.
John Pelham
John Pelham was a Confederate artillery officer in the American Civil War, renowned for his daring and effective command of horse artillery.
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C.
Don Army
The Don Army was a White movement military force composed largely of Don Cossacks that fought against the Bolsheviks during the Russian Civil War.
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D.
McCauley
McCauley is the maiden surname of Rosa Parks, the prominent American civil rights activist known for her pivotal role in the Montgomery bus boycott.
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E.
Callaghan
Callaghan is a surname of Irish origin borne by numerous notable individuals in politics, sports, and the arts.
- 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: O'Brien Target entity description: O'Brien is a common Irish surname of Gaelic origin, historically associated with the descendants of the High King Brian Boru.
-
A.
Brennan
Brennan is a surname most prominently associated with William J. Brennan Jr., a long-serving and influential Associate Justice of the United States Supreme Court known for his progressive jurisprudence.
-
B.
John Pelham
John Pelham was a Confederate artillery officer in the American Civil War, renowned for his daring and effective command of horse artillery.
-
C.
Don Army
The Don Army was a White movement military force composed largely of Don Cossacks that fought against the Bolsheviks during the Russian Civil War.
-
D.
McCauley
McCauley is the maiden surname of Rosa Parks, the prominent American civil rights activist known for her pivotal role in the Montgomery bus boycott.
-
E.
Callaghan
Callaghan is a surname of Irish origin borne by numerous notable individuals in politics, sports, and the arts.
- F. None of above. chosen
Statements (45)
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: O'Brien Description of subject: O'Brien is a common Irish surname of Gaelic origin, historically associated with the descendants of the High King Brian Boru.
Referenced by (66)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Air Marshal Sir Timothy O'Brien
subject linked to:
George Orwell's novel Nineteen Eighty-Four
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
subject linked to:
Conan
linked to: O'Brien
subject linked to:
1984 (adaptation by Robert Icke and Duncan Macmillan, 2013)
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
linked to: O'Brien
subject linked to:
Dál gCais dynasty
linked to: O'Brien
subject linked to:
William S. O'Brien was a financial partner