Marblehead Light

E671792

historic site lighthouse navigational aid

Marblehead Light is a historic lighthouse in Marblehead, Massachusetts, that aids navigation in Massachusetts Bay and is notable for its skeletal iron tower design.

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All labels observed (3)

Label	Occurrences
Marblehead Light canonical	2
Marblehead Lighthouse	1
Marblehead Neck Lighthouse	1

How this entity was disambiguated

This entity first appeared as the object of triple T7479934 — 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: Marblehead Light
Context triple: [Marblehead, Massachusetts, hasLandmark, Marblehead Light]

A. Cape Elizabeth Light
Cape Elizabeth Light is a historic twin lighthouse station on Cape Elizabeth, Maine, that aids navigation along the rocky Atlantic coast near Portland.
B. Nauset Light
Nauset Light is a historic, red-and-white lighthouse on Cape Cod in Massachusetts, known as an iconic coastal landmark and symbol of the region.
C. Portsmouth Harbor Lighthouse
Portsmouth Harbor Lighthouse is a historic coastal beacon in New Castle, New Hampshire, that has guided ships at the mouth of the Piscataqua River for centuries and is now a preserved maritime landmark.
D. Bass Harbor Head Light
Bass Harbor Head Light is a historic lighthouse perched on rugged cliffs at the southwestern tip of Mount Desert Island in Maine, overlooking the entrance to Bass Harbor.
E. Brant Point Light
Brant Point Light is a historic lighthouse on Nantucket Island, Massachusetts, guiding vessels into Nantucket Harbor and known as one of the oldest lighthouse sites in the United States.
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: Marblehead Light
Target entity description: Marblehead Light is a historic lighthouse in Marblehead, Massachusetts, that aids navigation in Massachusetts Bay and is notable for its skeletal iron tower design.

A. Cape Elizabeth Light
Cape Elizabeth Light is a historic twin lighthouse station on Cape Elizabeth, Maine, that aids navigation along the rocky Atlantic coast near Portland.
B. Nauset Light
Nauset Light is a historic, red-and-white lighthouse on Cape Cod in Massachusetts, known as an iconic coastal landmark and symbol of the region.
C. Portsmouth Harbor Lighthouse
Portsmouth Harbor Lighthouse is a historic coastal beacon in New Castle, New Hampshire, that has guided ships at the mouth of the Piscataqua River for centuries and is now a preserved maritime landmark.
D. Bass Harbor Head Light
Bass Harbor Head Light is a historic lighthouse perched on rugged cliffs at the southwestern tip of Mount Desert Island in Maine, overlooking the entrance to Bass Harbor.
E. Brant Point Light
Brant Point Light is a historic lighthouse on Nantucket Island, Massachusetts, guiding vessels into Nantucket Harbor and known as one of the oldest lighthouse sites in the United States.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	historic site ⓘ lighthouse ⓘ navigational aid ⓘ
access	accessible by land ⓘ
associatedWith	United States Coast Guard Aids to Navigation system ⓘ linked to: United States Coast Guard Aids to Navigation Team
automationStatus	automated ⓘ
constructionMaterial	iron ⓘ
country	United States ⓘ linked to: United States of America
currentLensType	modern optic ⓘ
focalHeight	130 feet ⓘ
foundationMaterial	concrete ⓘ
foundationType	concrete piles ⓘ
function	coastal light ⓘ harbor entrance light ⓘ
hasCategory	Buildings and structures in Marblehead, Massachusetts ⓘ Lighthouses in Massachusetts ⓘ Transportation in Essex County, Massachusetts ⓘ
height	105 feet ⓘ
lightCharacteristic	Fl G 6s ⓘ flashing green light ⓘ
locatedIn	Essex County, Massachusetts ⓘ Massachusetts ⓘ United States ⓘ linked to: United States of America
locatedInWaterBody	Massachusetts Bay ⓘ
locatedNear	Marblehead Harbor ⓘ Salem Sound ⓘ
locatedOn	Marblehead Neck ⓘ linked to: Marblehead Neck peninsula
location	Marblehead, Massachusetts ⓘ
managedBy	United States Coast Guard ⓘ
marking	brown skeletal tower ⓘ green beacon ⓘ
notableFor	being one of the few skeletal lighthouses in New England ⓘ skeletal iron tower design ⓘ
originalLensType	Fresnel lens ⓘ
owner	Town of Marblehead ⓘ linked to: Marblehead, Massachusetts
powerSource	electric ⓘ
publicAccess	grounds open to the public ⓘ tower closed to the public ⓘ
purpose	aids navigation in Massachusetts Bay ⓘ marks the entrance to Marblehead Harbor ⓘ
region	New England ⓘ
replaced	earlier stone lighthouse on the site ⓘ
state	Massachusetts ⓘ
status	active ⓘ
towerShape	pyramidal skeletal tower ⓘ
towerType	skeletal tower ⓘ
town	Marblehead ⓘ linked to: Marblehead, Massachusetts
yearLit	1896 ⓘ

How these facts were elicited

Referenced by (4)

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

Marblehead, Massachusetts → hasLandmark → Marblehead Light ⓘ

Marblehead Neck peninsula → hasPart → Marblehead Neck Lighthouse ⓘ

linked to: Marblehead Light

Fort Sewall → near → Marblehead Light ⓘ

Marblehead Peninsula → hasNotableFeature → Marblehead Lighthouse ⓘ