Ó Cathail
E663612
Ó Cathail is an Irish surname of Gaelic origin, anglicized in forms such as Cahill.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T7427059 — 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: Ó Cathail Context triple: [Cahill, hasVariant, Ó Cathail]
-
A.
Suilleabháin
Suilleabháin is an Irish surname, traditionally anglicized as Sullivan, with roots in Gaelic heritage and history.
-
B.
Conachair
Conachair is a prominent sea cliff and the highest peak on the remote Scottish archipelago of St Kilda, known for its dramatic Atlantic-facing precipices.
-
C.
Ó Donnabháin
Ó Donnabháin is an Irish Gaelic surname from which the anglicized family name Donovan is derived.
-
D.
Ó Laochdha
Ó Laochdha is an Irish Gaelic surname from which the anglicised family name Leahy is derived.
-
E.
O'Lochlainn
O'Lochlainn is an Irish surname, a variant of O'Laughlen, traditionally associated with Gaelic heritage and families from Ireland.
- 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: Ó Cathail Target entity description: Ó Cathail is an Irish surname of Gaelic origin, anglicized in forms such as Cahill.
-
A.
Suilleabháin
Suilleabháin is an Irish surname, traditionally anglicized as Sullivan, with roots in Gaelic heritage and history.
-
B.
Conachair
Conachair is a prominent sea cliff and the highest peak on the remote Scottish archipelago of St Kilda, known for its dramatic Atlantic-facing precipices.
-
C.
Ó Donnabháin
Ó Donnabháin is an Irish Gaelic surname from which the anglicized family name Donovan is derived.
-
D.
Ó Laochdha
Ó Laochdha is an Irish Gaelic surname from which the anglicised family name Leahy is derived.
-
E.
O'Lochlainn
O'Lochlainn is an Irish surname, a variant of O'Laughlen, traditionally associated with Gaelic heritage and families from Ireland.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
Gaelic-language surname
ⓘ
Irish surname ⓘ |
| belongsToOnomasticTradition | Irish patronymic naming system ⓘ |
| hasAnglicizedForm |
Cahill
NERFINISHED
ⓘ
O'Cahill NERFINISHED ⓘ O'Cathal NERFINISHED ⓘ |
| hasCategory |
Anglicised Irish-language surnames
ⓘ
Surnames of Irish origin ⓘ |
| hasCulturalOrigin | Irish ⓘ |
| hasDiacritic | acute accent ⓘ |
| hasGenderAssociation | family name used by all genders ⓘ |
| hasInitialLetter | Ó ⓘ |
| hasLanguageOfOrigin |
Gaelic
ⓘ
Irish ⓘ |
| hasMeaningRelatedTo | descendant of Cathal ⓘ |
| hasNameType | patronymic surname ⓘ |
| hasOrthographicVariant |
O Cathail
NERFINISHED
ⓘ
Ó Chathail NERFINISHED ⓘ |
| hasRegionOfOrigin | Ireland NERFINISHED ⓘ |
| hasScript | Latin alphabet ⓘ |
| isDerivedFromGivenName | Cathal NERFINISHED ⓘ |
| isEtymologicallyRelatedTo | Cathal NERFINISHED ⓘ |
| isUsedIn |
Ireland
NERFINISHED
ⓘ
Irish diaspora communities ⓘ |
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: Ó Cathail Description of subject: Ó Cathail is an Irish surname of Gaelic origin, anglicized in forms such as Cahill.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
O'Cathail