Mary Jo
E565225
Mary Jo is the given name of Mary Jo Kopechne, the young political campaign specialist who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mary Jo canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6021475 — 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 Jo Context triple: [Mary Jo Kopechne, givenName, Mary Jo]
-
A.
Mary Ruth
Mary Ruth is a fictional character featured in the American television sitcom "The Debbie Reynolds Show."
-
B.
Mary Lou
Mary Lou is a technology innovator and entrepreneur best known for her pioneering work in display and imaging technologies, including co-founding One Laptop per Child and founding Openwater.
-
C.
Mary Jo Salter
Mary Jo Salter is an American poet, editor, and professor known for her formally accomplished, accessible verse and contributions to contemporary poetry.
-
D.
Mary Loos
Mary Loos was an American screenwriter and author known for her work in mid-20th-century Hollywood film and television.
-
E.
Mary Ellen
Mary Ellen is a feminine given name of English origin, often used as a compound of "Mary" and "Ellen."
- 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 Jo Target entity description: Mary Jo is the given name of Mary Jo Kopechne, the young political campaign specialist who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
-
A.
Mary Ruth
Mary Ruth is a fictional character featured in the American television sitcom "The Debbie Reynolds Show."
-
B.
Mary Lou
Mary Lou is a technology innovator and entrepreneur best known for her pioneering work in display and imaging technologies, including co-founding One Laptop per Child and founding Openwater.
-
C.
Mary Jo Salter
Mary Jo Salter is an American poet, editor, and professor known for her formally accomplished, accessible verse and contributions to contemporary poetry.
-
D.
Mary Loos
Mary Loos was an American screenwriter and author known for her work in mid-20th-century Hollywood film and television.
-
E.
Mary Ellen
Mary Ellen is a feminine given name of English origin, often used as a compound of "Mary" and "Ellen."
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
female given name
ⓘ
human ⓘ political scandal ⓘ |
| causeOfDeath | drowning ⓘ |
| countryOfCitizenship |
United States of America
ⓘ
United States of America ⓘ |
| dateOfBirth | 1940-07-26 ⓘ |
| dateOfDeath | 1969-07-18 ⓘ |
| educatedAt | College of New Rochelle NERFINISHED ⓘ |
| employer |
Matt Reese Associates
NERFINISHED
ⓘ
Robert F. Kennedy presidential campaign NERFINISHED ⓘ Senator George Smathers NERFINISHED ⓘ |
| ethnicGroup | Polish American ⓘ |
| familyName | Kopechne NERFINISHED ⓘ |
| fieldOfWork | political campaigning ⓘ |
| givenName | Mary Jo NERFINISHED ⓘ |
| hasFamilyName | Kopechne NERFINISHED ⓘ |
| hasGivenName | Mary Jo NERFINISHED ⓘ |
| hasPart |
Jo
NERFINISHED
ⓘ
Mary NERFINISHED ⓘ |
| hasPerpetrator | Ted Kennedy NERFINISHED ⓘ |
| hasVictim | Mary Jo Kopechne NERFINISHED ⓘ |
| languageOfOrigin | English ⓘ |
| location | Chappaquiddick Island, Massachusetts, United States NERFINISHED ⓘ |
| mannerOfDeath | accidental drowning ⓘ |
| notableFor | death in the 1969 Chappaquiddick incident ⓘ |
| occupation |
United States senator
ⓘ
political campaign specialist ⓘ teacher ⓘ |
| participantIn | Chappaquiddick incident NERFINISHED ⓘ |
| placeOfBirth | Wilkes-Barre, Pennsylvania, United States NERFINISHED ⓘ |
| placeOfDeath | Chappaquiddick Island, Massachusetts, United States NERFINISHED ⓘ |
| pointInTime | 1969-07-18 ⓘ |
| religion | Roman Catholicism ⓘ |
| residence |
Washington, D.C.
ⓘ
surface form:
Washington, D.C., United States
|
| sexOrGender | female ⓘ |
| usedBy | Mary Jo Kopechne 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: Mary Jo Description of subject: Mary Jo is the given name of Mary Jo Kopechne, the young political campaign specialist who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.