Ó Cathail

E663612

Gaelic-language surname Irish surname

Ó Cathail is an Irish surname of Gaelic origin, anglicized in forms such as Cahill.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
O Cathail	1
O'Cathail	1
Ó Cathail canonical	1

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 ⓘ O'Cahill ⓘ O'Cathal ⓘ linked to: Cathal
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 ⓘ linked to: Ó Cathail Ó Chathail ⓘ
hasRegionOfOrigin	Ireland ⓘ
hasScript	Latin alphabet ⓘ
isDerivedFromGivenName	Cathal ⓘ
isEtymologicallyRelatedTo	Cathal ⓘ
isUsedIn	Ireland ⓘ Irish diaspora communities ⓘ

How these facts were elicited

Referenced by (3)

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

Cahill → hasVariant → Ó Cathail ⓘ

Cahill → hasVariant → O'Cathail ⓘ

linked to: Ó Cathail

Ó Cathail → hasOrthographicVariant → O Cathail ⓘ