Elmer E. Ellsworth
E506657
Elmer E. Ellsworth was a Union Army officer in the American Civil War, famed as the first conspicuous casualty of the conflict and a close friend of President Abraham Lincoln.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Elmer E. Ellsworth canonical | 4 |
| Colonel Elmer E. Ellsworth | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5254414 — 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: Elmer E. Ellsworth Context triple: [44th New York Infantry, namedAfter, Elmer E. Ellsworth]
-
A.
William C. McCool
William C. McCool was a United States Navy commander and NASA astronaut who served as the pilot of the ill-fated Space Shuttle Columbia mission STS-107.
-
B.
Ira Hayes
Ira Hayes was a Pima Native American U.S. Marine and one of the flag raisers at Iwo Jima during World War II, later becoming a symbol of the struggles of Native American veterans.
-
C.
Nathaniel Lyon
Nathaniel Lyon was a Union Army general in the American Civil War, notable as the first Union general killed in combat during the conflict.
-
D.
Brigadier General Nathaniel Lyon
Brigadier General Nathaniel Lyon was a Union Army officer in the American Civil War, known as the first Union general killed in the conflict and for his role in securing Missouri for the Union.
-
E.
David Herold
David Herold was an American accomplice of John Wilkes Booth who helped carry out the broader plot surrounding the assassination of President Abraham Lincoln in 1865.
- 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: Elmer E. Ellsworth Target entity description: Elmer E. Ellsworth was a Union Army officer in the American Civil War, famed as the first conspicuous casualty of the conflict and a close friend of President Abraham Lincoln.
-
A.
William C. McCool
William C. McCool was a United States Navy commander and NASA astronaut who served as the pilot of the ill-fated Space Shuttle Columbia mission STS-107.
-
B.
Ira Hayes
Ira Hayes was a Pima Native American U.S. Marine and one of the flag raisers at Iwo Jima during World War II, later becoming a symbol of the struggles of Native American veterans.
-
C.
Nathaniel Lyon
Nathaniel Lyon was a Union Army general in the American Civil War, notable as the first Union general killed in combat during the conflict.
-
D.
Brigadier General Nathaniel Lyon
Brigadier General Nathaniel Lyon was a Union Army officer in the American Civil War, known as the first Union general killed in the conflict and for his role in securing Missouri for the Union.
-
E.
David Herold
David Herold was an American accomplice of John Wilkes Booth who helped carry out the broader plot surrounding the assassination of President Abraham Lincoln in 1865.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Union Army officer
ⓘ
human ⓘ |
| allegiance | United States of America ⓘ |
| associatedWith | Illinois Republican Party circles through Abraham Lincoln ⓘ |
| birthDate | 1837-04-11 ⓘ |
| birthPlace | Malta, New York, United States NERFINISHED ⓘ |
| causeOfDeath | gunshot wound ⓘ |
| closeFriendOf | Abraham Lincoln NERFINISHED ⓘ |
| commemoratedOn | Civil War-era patriotic envelopes and stationery ⓘ |
| conflict | American Civil War ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| deathDate | 1861-05-24 ⓘ |
| deathPlace | Alexandria, Virginia, United States NERFINISHED ⓘ |
| educatedAt | Albany Law School NERFINISHED ⓘ |
| event | death while removing a Confederate flag from a hotel rooftop ⓘ |
| familyName | Ellsworth NERFINISHED ⓘ |
| founded | United States Zouave Cadets of Chicago NERFINISHED ⓘ |
| fullName | Elmer Ephraim Ellsworth NERFINISHED ⓘ |
| givenName | Elmer NERFINISHED ⓘ |
| hasMemorial | monument in Mechanicville, New York ⓘ |
| hasPartIn | early war Union propaganda and martyrdom narratives ⓘ |
| influenced | formation of other Zouave-style volunteer units in the Union Army ⓘ |
| inspired | Union recruiting and patriotic fervor after his death ⓘ |
| killedBy | James W. Jackson NERFINISHED ⓘ |
| knownFor | popularizing Zouave drill in the United States ⓘ |
| mannerOfDeath | killed in action ⓘ |
| memorializedBy | Ellsworth, Maine (renamed in his honor is incorrect; but towns and streets were named for him) ⓘ |
| militaryBranch | Union Army NERFINISHED ⓘ |
| militaryRank | colonel ⓘ |
| nickname | Ellsworth of the Fire Zouaves NERFINISHED ⓘ |
| notableFor |
being the first conspicuous casualty of the American Civil War
ⓘ
leading the 11th New York Volunteer Infantry Regiment (Fire Zouaves) ⓘ |
| occupation |
attorney
ⓘ
soldier ⓘ |
| placeOfBurial |
Hudson View Cemetery
NERFINISHED
ⓘ
Mechanicville, New York, United States NERFINISHED ⓘ |
| positionHeld | head of a militia drill company in Chicago ⓘ |
| religion | Methodism (attributed in some historical accounts) ⓘ |
| removedObject | Confederate flag from the Marshall House inn in Alexandria, Virginia ⓘ |
| residence |
Chicago, Illinois, United States
ⓘ
Springfield, Illinois, United States NERFINISHED ⓘ |
| subjectOf |
Civil War-era lithographs and prints
ⓘ
numerous contemporary poems and songs ⓘ |
| unitCommanded | 11th New York Volunteer Infantry Regiment NERFINISHED ⓘ |
| workedFor | Abraham Lincoln NERFINISHED ⓘ |
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: Elmer E. Ellsworth Description of subject: Elmer E. Ellsworth was a Union Army officer in the American Civil War, famed as the first conspicuous casualty of the conflict and a close friend of President Abraham Lincoln.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Colonel Elmer E. Ellsworth