Mary Ware Dennett
E239078
Mary Ware Dennett was an early 20th-century American birth control advocate, sex education reformer, and feminist leader who played a key role in challenging obscenity laws and expanding access to reproductive information.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mary Coffin Ware Dennett | 1 |
| Mary Ware Dennett canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2166446 — 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 Ware Dennett Context triple: [Feminist Alliance, hasCoFounder, Mary Ware Dennett]
-
A.
Catherine Robbins Lyman
Catherine Robbins Lyman was an American woman of New England background best known as the mother of Sara Ann Delano and thus a maternal ancestor of President Franklin D. Roosevelt.
-
B.
Emma T. Townsend
Emma T. Townsend was the wife of prominent American steel industry magnate and U.S. Steel co-founder Elbert H. Gary.
-
C.
Laura E. Richards
Laura E. Richards was an American author of children’s literature and biographies, known for works such as her Pulitzer Prize–winning biography of her mother, Julia Ward Howe.
-
D.
Elizabeth C. Ware
Elizabeth C. Ware was a benefactor whose financial support helped make possible the creation or acquisition of the renowned Blaschka Glass Models of Plants.
-
E.
Beatrice Banning Ayer
Beatrice Banning Ayer was an American socialite from a prominent Boston family best known as the wife of U.S. General George S. Patton.
- 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 Ware Dennett Target entity description: Mary Ware Dennett was an early 20th-century American birth control advocate, sex education reformer, and feminist leader who played a key role in challenging obscenity laws and expanding access to reproductive information.
-
A.
Catherine Robbins Lyman
Catherine Robbins Lyman was an American woman of New England background best known as the mother of Sara Ann Delano and thus a maternal ancestor of President Franklin D. Roosevelt.
-
B.
Emma T. Townsend
Emma T. Townsend was the wife of prominent American steel industry magnate and U.S. Steel co-founder Elbert H. Gary.
-
C.
Laura E. Richards
Laura E. Richards was an American author of children’s literature and biographies, known for works such as her Pulitzer Prize–winning biography of her mother, Julia Ward Howe.
-
D.
Elizabeth C. Ware
Elizabeth C. Ware was a benefactor whose financial support helped make possible the creation or acquisition of the renowned Blaschka Glass Models of Plants.
-
E.
Beatrice Banning Ayer
Beatrice Banning Ayer was an American socialite from a prominent Boston family best known as the wife of U.S. General George S. Patton.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
birth control activist
ⓘ
feminist ⓘ human ⓘ political activist ⓘ sex education reformer ⓘ |
| advocatedFor |
comprehensive sex education
ⓘ
legalization of birth control information ⓘ reform of Comstock laws ⓘ |
| birthName | Mary Coffin Ware ⓘ |
| contributedTo | expansion of constitutional protection for educational materials about sex and reproduction ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1872-04-04 ⓘ |
| dateOfDeath | 1947-07-25 ⓘ |
| describedIn | United States Court of Appeals decision overturning obscenity conviction ⓘ |
| educatedAt | School of the Museum of Fine Arts at Tufts University ⓘ |
| familyName | Dennett ⓘ |
| founded | Voluntary Parenthood League ⓘ |
| fullName |
Mary Coffin Ware Dennett
ⓘ
linked to:
Mary Ware Dennett
|
| gender | female ⓘ |
| givenName | Mary ⓘ |
| knownFor |
advocacy for legal birth control information
ⓘ
challenging U.S. obscenity laws regarding sex education materials ⓘ publishing the pamphlet "The Sex Side of Life" ⓘ |
| languageOfWorkOrName | English ⓘ |
| legalCase | United States v. Dennett ⓘ |
| legalIssue | distribution of sex education pamphlet deemed obscene under Comstock Act ⓘ |
| legalOutcome | conviction reversed on appeal in 1930 ⓘ |
| memberOf |
National American Woman Suffrage Association
ⓘ
National Birth Control League ⓘ |
| movement |
birth control movement
ⓘ
feminism ⓘ sex education reform movement ⓘ |
| notableIdea | voluntary parenthood ⓘ |
| notableWork | The Sex Side of Life ⓘ |
| numberOfChildren | 3 ⓘ |
| occupation |
activist
ⓘ
lecturer ⓘ writer ⓘ |
| opposedBy | supporters of strict Comstock law enforcement ⓘ |
| placeOfBirth |
Worcester, Massachusetts, United States
ⓘ
linked to:
Worcester, Massachusetts
|
| placeOfDeath |
New York City, New York, United States
ⓘ
linked to:
New York City
|
| positionHeld |
field secretary of the National American Woman Suffrage Association
ⓘ
founder of the Voluntary Parenthood League ⓘ secretary of the National Birth Control League ⓘ |
| publicationDateOfWork |
1915 (The Sex Side of Life, privately written for her sons)
ⓘ
1918 (The Sex Side of Life, first wider distribution) ⓘ |
| residence |
Boston, Massachusetts, United States
ⓘ
linked to:
Boston, Massachusetts
New York City, New York, United States ⓘ
linked to:
New York City
|
| spouse | William Hartley Dennett ⓘ |
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 Ware Dennett Description of subject: Mary Ware Dennett was an early 20th-century American birth control advocate, sex education reformer, and feminist leader who played a key role in challenging obscenity laws and expanding access to reproductive information.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mary Ware Dennett