Mary Ellen Marcy
E152546
Mary Ellen Marcy was the wife of Union Civil War general George B. McClellan and the daughter of prominent U.S. politician William L. Marcy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mary Ellen Marcy canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T487111 — 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: Mary Ellen Marcy Context triple: [George B. McClellan, spouse, Mary Ellen Marcy]
-
A.
Mary Easty
Mary Easty was a respected Salem, Massachusetts woman who was falsely accused of witchcraft and executed during the 1692 Salem witch trials, later remembered for her dignified plea for justice.
-
B.
Margo Anderson
Margo Anderson is best known as a former wife of American country music star Kenny Rogers.
-
C.
Mary Louise Bell
Mary Louise Bell was the first wife of renowned physicist Richard Feynman, whom he married after the death of his childhood sweetheart Arline Greenbaum.
-
D.
Nancy Gates
Nancy Gates was an American film and television actress active from the 1940s through the 1960s, known for her roles in dramas, film noirs, and romantic comedies.
-
E.
Mary Grace Slattery
Mary Grace Slattery was the first wife of American playwright Arthur Miller, whom he married before achieving his major theatrical success.
- 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: Mary Ellen Marcy Target entity description: Mary Ellen Marcy was the wife of Union Civil War general George B. McClellan and the daughter of prominent U.S. politician William L. Marcy.
-
A.
Mary Easty
Mary Easty was a respected Salem, Massachusetts woman who was falsely accused of witchcraft and executed during the 1692 Salem witch trials, later remembered for her dignified plea for justice.
-
B.
Margo Anderson
Margo Anderson is best known as a former wife of American country music star Kenny Rogers.
-
C.
Mary Louise Bell
Mary Louise Bell was the first wife of renowned physicist Richard Feynman, whom he married after the death of his childhood sweetheart Arline Greenbaum.
-
D.
Nancy Gates
Nancy Gates was an American film and television actress active from the 1940s through the 1960s, known for her roles in dramas, film noirs, and romantic comedies.
-
E.
Mary Grace Slattery
Mary Grace Slattery was the first wife of American playwright Arthur Miller, whom he married before achieving his major theatrical success.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
historical figure
ⓘ
human ⓘ |
| child | Mary Ellen Marcy self-linksurface differs ⓘ |
| countryOfCitizenship |
United States of America
ⓘ
United States of America ⓘ |
| father | William L. Marcy ⓘ |
| notableFamilyMember |
George McClellan
ⓘ
surface form:
George B. McClellan
William L. Marcy ⓘ |
| notableFor |
being the daughter of U.S. politician William L. Marcy
ⓘ
being the wife of Union Civil War general George B. McClellan ⓘ service as a prominent U.S. politician ⓘ |
| occupation |
Union Army general
ⓘ
politician ⓘ |
| participantIn | American Civil War ⓘ |
| relative | William L. Marcy ⓘ |
| relativeByMarriage |
George McClellan
ⓘ
surface form:
George B. McClellan
|
| sexOrGender | female ⓘ |
| spouse |
George B. McClellan Jr.
ⓘ
surface form:
George B. McClellan
Mary Ellen Marcy self-linksurface differs ⓘ |
| timePeriod |
American Civil War
ⓘ
surface form:
American Civil War era
|
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: Mary Ellen Marcy Description of subject: Mary Ellen Marcy was the wife of Union Civil War general George B. McClellan and the daughter of prominent U.S. politician William L. Marcy.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
George B. McClellan
subject surface form:
George B. McClellan
subject surface form:
George B. McClellan
subject surface form:
William L. Marcy