James B. McNamara
E763796
James B. McNamara was an American labor union activist best known for his role in the 1910 Los Angeles Times bombing, a pivotal event in early 20th-century labor history.
All labels observed (1)
| Label | Occurrences |
|---|---|
| James B. McNamara canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4847144 — 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: James B. McNamara Context triple: [McNamara brothers bombing case, hasDefendants, James B. McNamara]
-
A.
Patrick H. McCarren
Patrick H. McCarren was a prominent early 20th-century Brooklyn politician and New York State senator known for his influence in local Democratic Party politics.
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B.
Charles E. Kearney
Charles E. Kearney was a 19th-century American railroad executive and civic leader after whom the city of Kearney, Missouri, is named.
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C.
Joseph A. McDonough
Joseph A. McDonough was a Hollywood film assistant director recognized in the 1930s for his award-winning work in the early years of the Academy Awards.
-
D.
William F. Walsh
William F. Walsh was an American politician and attorney who served as the mayor of Syracuse, New York, and later as a U.S. Representative from New York.
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E.
Thomas W. Connell
Thomas W. Connell was a U.S. military officer best known for commanding American forces involved in the Balangiga massacre during the Philippine–American War.
- 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: James B. McNamara Target entity description: James B. McNamara was an American labor union activist best known for his role in the 1910 Los Angeles Times bombing, a pivotal event in early 20th-century labor history.
-
A.
Patrick H. McCarren
Patrick H. McCarren was a prominent early 20th-century Brooklyn politician and New York State senator known for his influence in local Democratic Party politics.
-
B.
Charles E. Kearney
Charles E. Kearney was a 19th-century American railroad executive and civic leader after whom the city of Kearney, Missouri, is named.
-
C.
Joseph A. McDonough
Joseph A. McDonough was a Hollywood film assistant director recognized in the 1930s for his award-winning work in the early years of the Academy Awards.
-
D.
William F. Walsh
William F. Walsh was an American politician and attorney who served as the mayor of Syracuse, New York, and later as a U.S. Representative from New York.
-
E.
Thomas W. Connell
Thomas W. Connell was a U.S. military officer best known for commanding American forces involved in the Balangiga massacre during the Philippine–American War.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
American labor activist
ⓘ
human ⓘ trade unionist ⓘ |
| activePeriod | early 20th century ⓘ |
| alsoKnownAs | J. B. McNamara NERFINISHED ⓘ |
| associatedWith | American Federation of Labor NERFINISHED ⓘ |
| burialPlace | Holy Cross Cemetery, Colma, California NERFINISHED ⓘ |
| causeOfDeath | cancer ⓘ |
| coConspirator |
John J. McNamara
NERFINISHED
ⓘ
Ortie E. McManigal NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| criminalCharge |
conspiracy
ⓘ
murder ⓘ |
| dateOfBirth | 1881 ⓘ |
| dateOfDeath | March 9, 1941 ⓘ |
| dateOfEvent | October 1, 1910 ⓘ |
| defenseAttorney | Clarence Darrow NERFINISHED ⓘ |
| ethnicGroup | Irish American ⓘ |
| event | Los Angeles Times bombing NERFINISHED ⓘ |
| familyName | McNamara NERFINISHED ⓘ |
| fullName | James Bernard McNamara NERFINISHED ⓘ |
| gender | male ⓘ |
| givenName | James ⓘ |
| involvedIn | labor-capital conflict in early 1900s United States ⓘ |
| memberOf | International Association of Bridge and Structural Iron Workers NERFINISHED ⓘ |
| movement | labor movement ⓘ |
| notableCase | People v. James B. McNamara NERFINISHED ⓘ |
| notableFor | 1910 Los Angeles Times bombing NERFINISHED ⓘ |
| numberOfDeathsCaused | 21 ⓘ |
| occupation | labor union activist ⓘ |
| opposedBy |
Harrison Gray Otis
NERFINISHED
ⓘ
Los Angeles Times management ⓘ |
| perpetratorOf | Los Angeles Times bombing NERFINISHED ⓘ |
| placeOfBirth | United States of America ⓘ |
| placeOfDeath | San Quentin, California NERFINISHED ⓘ |
| placeOfImprisonment | San Quentin State Prison NERFINISHED ⓘ |
| pleadedGuiltyTo | murder in connection with the Los Angeles Times bombing ⓘ |
| religion | Roman Catholicism ⓘ |
| sentence | life imprisonment ⓘ |
| sibling | John J. McNamara NERFINISHED ⓘ |
| significantEventIn | early 20th-century American labor history ⓘ |
| spouse | Belle Lavina McNamara NERFINISHED ⓘ |
| topicOf |
books on the Los Angeles Times bombing
ⓘ
historical studies of labor violence in the United States ⓘ |
| trialLocation | Los Angeles, California 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: James B. McNamara Description of subject: James B. McNamara was an American labor union activist best known for his role in the 1910 Los Angeles Times bombing, a pivotal event in early 20th-century labor history.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.