Mary Elizabeth Greear
E577299
Mary Elizabeth Greear was the birth name of American film actress Joan Barclay, who appeared in numerous B-movies during the 1930s and 1940s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mary Elizabeth Greear canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5757227 — 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 Elizabeth Greear Context triple: [Joan Barclay, birthName, Mary Elizabeth Greear]
-
A.
Elizabeth Reaser
Elizabeth Reaser is an American actress best known for her roles in the Twilight film series and the television drama Grey's Anatomy.
-
B.
Mary Rowe
Mary Rowe was an 18th-century Irish gentlewoman best known as the mother of Wills Hill, 1st Marquess of Downshire, a prominent Anglo-Irish statesman.
-
C.
Elizabeth Flanagan
Elizabeth Flanagan was the wife of C. Everett Koop, the prominent U.S. Surgeon General known for his influential public health advocacy.
-
D.
Kelly Miller Smith
Kelly Miller Smith was an influential African American Baptist minister and civil rights leader in Nashville who played a key role in organizing nonviolent protests during the Civil Rights Movement.
-
E.
Mary Fowler Brennan
Mary Fowler Brennan was the wife of U.S. Supreme Court Justice William J. Brennan Jr., known primarily for her role as his lifelong partner and supporter.
- 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 Elizabeth Greear Target entity description: Mary Elizabeth Greear was the birth name of American film actress Joan Barclay, who appeared in numerous B-movies during the 1930s and 1940s.
-
A.
Elizabeth Reaser
Elizabeth Reaser is an American actress best known for her roles in the Twilight film series and the television drama Grey's Anatomy.
-
B.
Mary Rowe
Mary Rowe was an 18th-century Irish gentlewoman best known as the mother of Wills Hill, 1st Marquess of Downshire, a prominent Anglo-Irish statesman.
-
C.
Elizabeth Flanagan
Elizabeth Flanagan was the wife of C. Everett Koop, the prominent U.S. Surgeon General known for his influential public health advocacy.
-
D.
Kelly Miller Smith
Kelly Miller Smith was an influential African American Baptist minister and civil rights leader in Nashville who played a key role in organizing nonviolent protests during the Civil Rights Movement.
-
E.
Mary Fowler Brennan
Mary Fowler Brennan was the wife of U.S. Supreme Court Justice William J. Brennan Jr., known primarily for her role as his lifelong partner and supporter.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
American actress
ⓘ
film actress ⓘ human ⓘ stage name ⓘ |
| activeIn |
American film industry
ⓘ
linked to:
American cinema
|
| birthName | Mary Elizabeth Greear ⓘ |
| birthNameOf | Joan Barclay ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| era |
1930s
ⓘ
1940s ⓘ |
| genre | B-movie ⓘ |
| languageOfWorkOrName | English ⓘ |
| medium | film ⓘ |
| name | Mary Elizabeth Greear ⓘ |
| notableWorkContext |
B-movies of the 1930s
ⓘ
B-movies of the 1940s ⓘ |
| occupation |
actress
ⓘ
film actress ⓘ |
| stageNameOf | Mary Elizabeth Greear ⓘ |
| usedStageName | Joan Barclay ⓘ |
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 Elizabeth Greear Description of subject: Mary Elizabeth Greear was the birth name of American film actress Joan Barclay, who appeared in numerous B-movies during the 1930s and 1940s.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.