Lafayette C. Baker
E538892
Lafayette C. Baker was a Union spy and detective who served as chief of the National Detective Police during the American Civil War and played a key role in the capture of John Wilkes Booth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lafayette C. Baker canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1869722 — 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: Lafayette C. Baker Context triple: [Garrett farm near Port Royal, Virginia, United States, eventParticipant, Lafayette C. Baker]
-
A.
Francis B. Burch
Francis B. Burch was an American lawyer and politician who served as the Attorney General of Maryland in the mid-20th century.
-
B.
Floyd E. Kellam
Floyd E. Kellam was a prominent local figure in Virginia Beach, likely a civic leader or educator, for whom Kellam High School was named in recognition of his contributions to the community.
-
C.
James T. Grady
James T. Grady was a prominent science journalist and communicator known for his influential work in making chemistry and scientific topics accessible to the general public.
-
D.
William F. Baker
William F. Baker was a prominent early 20th-century baseball executive and owner of the Philadelphia Phillies, after whom the Baker Bowl ballpark was named.
-
E.
George D. Barnett
George D. Barnett was an American architect known for designing prominent ecclesiastical and civic buildings in the early 20th century, particularly in St. Louis, Missouri.
- 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: Lafayette C. Baker Target entity description: Lafayette C. Baker was a Union spy and detective who served as chief of the National Detective Police during the American Civil War and played a key role in the capture of John Wilkes Booth.
-
A.
Francis B. Burch
Francis B. Burch was an American lawyer and politician who served as the Attorney General of Maryland in the mid-20th century.
-
B.
Floyd E. Kellam
Floyd E. Kellam was a prominent local figure in Virginia Beach, likely a civic leader or educator, for whom Kellam High School was named in recognition of his contributions to the community.
-
C.
James T. Grady
James T. Grady was a prominent science journalist and communicator known for his influential work in making chemistry and scientific topics accessible to the general public.
-
D.
William F. Baker
William F. Baker was a prominent early 20th-century baseball executive and owner of the Philadelphia Phillies, after whom the Baker Bowl ballpark was named.
-
E.
George D. Barnett
George D. Barnett was an American architect known for designing prominent ecclesiastical and civic buildings in the early 20th century, particularly in St. Louis, Missouri.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Union spy
ⓘ
detective ⓘ intelligence officer ⓘ person ⓘ |
| allegiance | Union ⓘ |
| appointedBy | Edwin M. Stanton ⓘ |
| associatedWith |
National Detective Police
ⓘ
United States Secret Service (early predecessor structures) ⓘ
linked to:
United States Secret Service
|
| authorOf | The History of the United States Secret Service ⓘ |
| burialPlace | Mount Vernon Cemetery, Philadelphia ⓘ |
| causeOfDeath | suspected poisoning ⓘ |
| citizenship | United States of America ⓘ |
| conflict | American Civil War ⓘ |
| countryOfBirth | United States of America ⓘ |
| countryOfDeath | United States of America ⓘ |
| dateOfBirth | 1826-10-13 ⓘ |
| dateOfDeath | 1868-07-03 ⓘ |
| employer |
United States War Department
ⓘ
linked to:
United States Department of War
|
| ethnicity | European American ⓘ |
| familyName | Baker ⓘ |
| fullName | Lafayette Curry Baker ⓘ |
| givenName | Lafayette ⓘ |
| knownFor |
capture of John Wilkes Booth and accomplices
ⓘ
leading the National Detective Police during the American Civil War ⓘ role in the investigation of President Abraham Lincoln's assassination ⓘ |
| militaryBranch | Union Army ⓘ |
| militaryRank | colonel ⓘ |
| notableEvent |
directed manhunt for John Wilkes Booth in April 1865
ⓘ
oversaw arrest and interrogation of suspected Confederate agents in Washington, D.C. ⓘ |
| notableWork |
The History of the United States Secret Service
ⓘ
capture of John Wilkes Booth ⓘ counterespionage operations in Washington, D.C. ⓘ pursuit of Lincoln assassination conspirators ⓘ suppression of Confederate spies ⓘ |
| occupation |
author
ⓘ
detective ⓘ soldier ⓘ spy ⓘ |
| placeOfBirth | Stafford, New York ⓘ |
| placeOfDeath |
Philadelphia, Pennsylvania
ⓘ
linked to:
Philadelphia
|
| positionHeld |
chief of the National Detective Police
ⓘ
head of the Union Intelligence Service in Washington, D.C. ⓘ |
| promotedTo | brigadier general of volunteers ⓘ |
| promotionDate | 1865-01-10 ⓘ |
| publicationDate | 1867 ⓘ |
| residence | Washington, D.C. during the American Civil War ⓘ |
| spouse | Mary Baker ⓘ |
| workedIn | Washington, D.C. ⓘ |
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: Lafayette C. Baker Description of subject: Lafayette C. Baker was a Union spy and detective who served as chief of the National Detective Police during the American Civil War and played a key role in the capture of John Wilkes Booth.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.