John J. McNamara
E475929
John J. McNamara was an American labor union official best known for his role as a defendant in the early 20th-century Los Angeles Times bombing case involving the McNamara brothers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John J. McNamara canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4847145 — 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: John J. McNamara Context triple: [McNamara brothers bombing case, hasDefendants, John J. McNamara]
-
A.
Gene Keady
Gene Keady is a highly respected American college basketball coach best known for his long, successful tenure leading the Purdue Boilermakers.
-
B.
Frank Leahy
Frank Leahy was a legendary American college football coach best known for leading the University of Notre Dame to multiple national championships in the 1940s and early 1950s.
-
C.
Jim Hughson
Jim Hughson is a Canadian sportscaster best known as one of the premier play-by-play voices in NHL broadcasting.
-
D.
Donald Malarkey
Donald Malarkey was a real-life U.S. Army paratrooper of Easy Company, 506th Parachute Infantry Regiment, whose World War II service was famously depicted in the miniseries "Band of Brothers."
-
E.
Tom Dugan
Tom Dugan was an American character actor of the early 20th century, known for his numerous supporting roles in Hollywood films.
- 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: John J. McNamara Target entity description: John J. McNamara was an American labor union official best known for his role as a defendant in the early 20th-century Los Angeles Times bombing case involving the McNamara brothers.
-
A.
Gene Keady
Gene Keady is a highly respected American college basketball coach best known for his long, successful tenure leading the Purdue Boilermakers.
-
B.
Frank Leahy
Frank Leahy was a legendary American college football coach best known for leading the University of Notre Dame to multiple national championships in the 1940s and early 1950s.
-
C.
Jim Hughson
Jim Hughson is a Canadian sportscaster best known as one of the premier play-by-play voices in NHL broadcasting.
-
D.
Donald Malarkey
Donald Malarkey was a real-life U.S. Army paratrooper of Easy Company, 506th Parachute Infantry Regiment, whose World War II service was famously depicted in the miniseries "Band of Brothers."
-
E.
Tom Dugan
Tom Dugan was an American character actor of the early 20th century, known for his numerous supporting roles in Hollywood films.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
labor union official ⓘ |
| affiliation | organized labor ⓘ |
| causeOfNotability | role as defendant in the Los Angeles Times bombing case ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| ethnicGroup | Irish American (inferred, not certain) ⓘ |
| familyName | McNamara ⓘ |
| genreOfActivity | trade unionism ⓘ |
| givenName | John ⓘ |
| hasPart | involvement in labor-related dynamiting campaign ⓘ |
| knownFor | Los Angeles Times bombing case ⓘ |
| legalStatus | convicted in connection with bombing-related charges ⓘ |
| memberOf | International Association of Bridge and Structural Iron Workers ⓘ |
| movement | American labor movement ⓘ |
| notableEvent |
arrest in connection with the Los Angeles Times bombing
ⓘ
plea agreement in the Los Angeles Times bombing case ⓘ trial in the Los Angeles Times bombing case ⓘ |
| notableWork | involvement in the Los Angeles Times bombing case ⓘ |
| occupation | labor union official ⓘ |
| participantIn |
Los Angeles Times bombing case
ⓘ
McNamara brothers bombing campaign ⓘ
linked to:
McNamara brothers bombing case
|
| placeOfActivity |
Los Angeles, California
ⓘ
United States of America ⓘ |
| positionHeld | secretary-treasurer of the International Association of Bridge and Structural Iron Workers ⓘ |
| sibling | James B. McNamara ⓘ |
| timePeriod | early 20th century ⓘ |
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: John J. McNamara Description of subject: John J. McNamara was an American labor union official best known for his role as a defendant in the early 20th-century Los Angeles Times bombing case involving the McNamara brothers.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.