Mary Beth Tinker
E176888
Mary Beth Tinker is an American free-speech activist best known for her role as a student plaintiff in the landmark 1969 U.S. Supreme Court case that established students’ First Amendment rights in public schools.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mary Beth Tinker canonical | 3 |
| John Tinker | 2 |
| John F. Tinker | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1567702 — 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 Beth Tinker Context triple: [Tinker v. Des Moines Independent Community School District, petitioner, Mary Beth Tinker]
-
A.
Mario Savio
Mario Savio was a prominent American political activist best known as a leading voice and orator of the 1960s student protest movement at the University of California, Berkeley.
-
B.
Elizabeth Eckford
Elizabeth Eckford is one of the Little Rock Nine, the African American students who bravely integrated Little Rock Central High School in 1957, becoming a symbol of the civil rights movement.
-
C.
Annie Lee Cooper
Annie Lee Cooper was a prominent African American civil rights activist known for her courageous efforts to secure voting rights for Black citizens in Selma, Alabama.
-
D.
Susan Owen
Susan Owen was the devoted mother of English war poet Wilfred Owen, remembered largely through her close relationship and extensive correspondence with her son.
-
E.
Emma Tillinger Koskoff
Emma Tillinger Koskoff is an American film producer best known for her longtime collaboration with director Martin Scorsese on acclaimed films such as The Wolf of Wall Street, The Departed, and The Irishman.
- 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 Beth Tinker Target entity description: Mary Beth Tinker is an American free-speech activist best known for her role as a student plaintiff in the landmark 1969 U.S. Supreme Court case that established students’ First Amendment rights in public schools.
-
A.
Mario Savio
Mario Savio was a prominent American political activist best known as a leading voice and orator of the 1960s student protest movement at the University of California, Berkeley.
-
B.
Elizabeth Eckford
Elizabeth Eckford is one of the Little Rock Nine, the African American students who bravely integrated Little Rock Central High School in 1957, becoming a symbol of the civil rights movement.
-
C.
Annie Lee Cooper
Annie Lee Cooper was a prominent African American civil rights activist known for her courageous efforts to secure voting rights for Black citizens in Selma, Alabama.
-
D.
Susan Owen
Susan Owen was the devoted mother of English war poet Wilfred Owen, remembered largely through her close relationship and extensive correspondence with her son.
-
E.
Emma Tillinger Koskoff
Emma Tillinger Koskoff is an American film producer best known for her longtime collaboration with director Martin Scorsese on acclaimed films such as The Wolf of Wall Street, The Departed, and The Irishman.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
American civil liberties activist
ⓘ
free speech activist ⓘ human ⓘ student rights activist ⓘ |
| advocatesFor |
civic education for young people
ⓘ
stronger legal protections for student expression ⓘ |
| awardReceived | Iowa Women’s Hall of Fame induction ⓘ |
| basedIn | United States school and legal communities ⓘ |
| cause | opposition to the Vietnam War ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt | University of Iowa ⓘ |
| fieldOfWork |
First Amendment law
ⓘ
civil rights ⓘ education rights ⓘ |
| hasEthnicity | white American ⓘ |
| hasGender | female ⓘ |
| influenced | student speech policies in American public schools ⓘ |
| inspired | subsequent student free-speech litigation in the United States ⓘ |
| knownFor | defending students’ First Amendment rights in public schools ⓘ |
| languageSpoken | English ⓘ |
| legalCase | Tinker v. Des Moines Independent Community School District ⓘ |
| legalCaseDate | 1969 ⓘ |
| legalCaseOutcome | U.S. Supreme Court decision affirming students’ First Amendment rights ⓘ |
| legalDoctrineAssociatedWith | “substantial disruption” test for student speech ⓘ |
| movement |
civil liberties movement
ⓘ
Free Speech Movement ⓘ
surface form:
free speech movement
student rights movement ⓘ |
| notableEvent | suspension from school for wearing a black armband ⓘ |
| notableFor | Tinker v. Des Moines Independent Community School District ⓘ |
| notableWork | advocacy for student expression rights in schools ⓘ |
| occupation |
activist
ⓘ
nurse ⓘ public speaker ⓘ |
| participatedIn | wearing black armbands to protest the Vietnam War in Des Moines public schools ⓘ |
| partOf | Tinker family ⓘ |
| placeOfBirth | Des Moines, Iowa ⓘ |
| positionHeld | registered nurse ⓘ |
| residence |
Washington metropolitan area
ⓘ
surface form:
Washington, D.C. metropolitan area
|
| roleInLawsuit | student plaintiff in Tinker v. Des Moines Independent Community School District ⓘ |
| sibling |
Hope Tinker
ⓘ
Mary Beth Tinker self-linksurface differs ⓘ
surface form:
John Tinker
|
| speaksOnTopic |
First Amendment in schools
ⓘ
students’ constitutional rights ⓘ youth civic engagement ⓘ |
| timePeriod |
20th century
ⓘ
21st 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: Mary Beth Tinker Description of subject: Mary Beth Tinker is an American free-speech activist best known for her role as a student plaintiff in the landmark 1969 U.S. Supreme Court case that established students’ First Amendment rights in public schools.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
John Tinker
this entity surface form:
John F. Tinker
this entity surface form:
John Tinker