O’Brien family of Machias, Maine

E421802

American coastal vessel American family historical family naval engagement person

The O’Brien family of Machias, Maine is a prominent early American family best known for its role in the first naval engagement of the American Revolutionary War and its leadership in local Patriot resistance.

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

All labels observed (2)

Label	Occurrences
O’Brien family of Machias, Maine canonical	2
O'Brien family of Machias, Maine	1

How this entity was disambiguated

This entity first appeared as the object of triple T4233108 — 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 family of Machias, Maine
Context triple: [Jeremiah O’Brien, hasRelative, O’Brien family of Machias, Maine]

A. Bowdoin family
The Bowdoin family is a prominent New England lineage known for its political influence, mercantile wealth, and association with Bowdoin College in Maine.
B. Quincy family of Massachusetts
The Quincy family of Massachusetts was a prominent New England political and mercantile dynasty influential in colonial and early United States history.
C. Bigelow family
The Bigelow family is a prominent family whose legacy and contributions were significant enough to have the Bigelow Chapel named in their honor.
D. Lowell family
The Lowell family is a prominent New England dynasty known for its influential roles in American literature, education, law, and public life from the 18th through the 20th centuries.
E. Massey family
The Massey family is a prominent Canadian family known for its significant contributions to industry, philanthropy, and the arts, including major support for cultural and educational institutions.
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 family of Machias, Maine
Target entity description: The O’Brien family of Machias, Maine is a prominent early American family best known for its role in the first naval engagement of the American Revolutionary War and its leadership in local Patriot resistance.

A. Bowdoin family
The Bowdoin family is a prominent New England lineage known for its political influence, mercantile wealth, and association with Bowdoin College in Maine.
B. Quincy family of Massachusetts
The Quincy family of Massachusetts was a prominent New England political and mercantile dynasty influential in colonial and early United States history.
C. Bigelow family
The Bigelow family is a prominent family whose legacy and contributions were significant enough to have the Bigelow Chapel named in their honor.
D. Lowell family
The Lowell family is a prominent New England dynasty known for its influential roles in American literature, education, law, and public life from the 18th through the 20th centuries.
E. Massey family
The Massey family is a prominent Canadian family known for its significant contributions to industry, philanthropy, and the arts, including major support for cultural and educational institutions.
F. None of above. chosen

Statements (39)

Predicate	Object
instanceOf	American coastal vessel ⓘ American family ⓘ historical family ⓘ naval engagement ⓘ person ⓘ person ⓘ person ⓘ person ⓘ person ⓘ person ⓘ
activity	local militia leadership ⓘ maritime operations against British shipping ⓘ
associatedEvent	Battle of Machias ⓘ
associatedVessel	Unity (sloop) NERFINISHED ⓘ
country	United States of America ⓘ surface form: United States
family	O’Brien family of Machias, Maine self-linksurface differs ⓘ
hasMember	Dennis O’Brien NERFINISHED ⓘ Gideon O’Brien ONDG ⓘ Jeremiah O’Brien NERFINISHED ⓘ John O’Brien NERFINISHED ⓘ Joseph O’Brien ONDG ⓘ William O’Brien NERFINISHED ⓘ
heritage	Irish-American ⓘ
historicalEra	American Revolutionary era ⓘ surface form: American Revolutionary period
knownFor	leadership in local Patriot resistance during the American Revolution ⓘ role in the first naval engagement of the American Revolutionary War ⓘ
legacy	symbol of early American naval resistance in New England ⓘ
locatedIn	Machias, Maine NERFINISHED ⓘ
militaryConflict	American Revolutionary War NERFINISHED ⓘ
notableFor	commanding Patriot forces in the capture of the British schooner Margaretta ⓘ often cited as the first naval engagement of the American Revolutionary War ⓘ participation in Patriot resistance at Machias ⓘ participation in early Revolutionary naval actions at Machias ⓘ participation in the capture of the British schooner Margaretta ⓘ used by Jeremiah O’Brien and others in the capture of the Margaretta ⓘ
placeOfActivity	Machias, Maine NERFINISHED ⓘ
politicalAlignment	Patriot ⓘ
regionOfInfluence	Downeast Maine ⓘ surface form: Down East Maine
role	sea captain ⓘ

How these facts were elicited

Referenced by (3)

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

Jeremiah O’Brien → hasRelative → O’Brien family of Machias, Maine ⓘ

DD-415 → namedAfter → O’Brien family of Machias, Maine ⓘ

subject surface form: USS O'Brien (DD-415)

this entity surface form: O'Brien family of Machias, Maine

O’Brien family of Machias, Maine → family → O’Brien family of Machias, Maine self-linksurface differs ⓘ

subject surface form: Jeremiah O’Brien

All labels observed (2)

How this entity was disambiguated Show

Statements (39)

How these facts were elicited Show

Referenced by (3)

How this entity was disambiguated

How these facts were elicited