Mamie Johnson
E523630
Mamie Johnson was one of the first female pitchers in Negro league baseball, renowned for her success and trailblazing role with the Indianapolis Clowns in the 1950s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mamie Johnson canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5195299 — 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: Mamie Johnson Context triple: [Indianapolis Clowns, notableFemalePlayer, Mamie Johnson]
-
A.
Mildred Thompson
Mildred Thompson was the wife of civil rights leader James Forman, associated with the mid-20th-century American civil rights movement.
-
B.
Edna Mae McCauley
Edna Mae McCauley is the central character in the 1980 drama film "Resurrection," a woman who miraculously survives a near-fatal accident and discovers she has the power to heal others.
-
C.
Marguerite Annie Johnson
Marguerite Annie Johnson is the birth name of Maya Angelou, the renowned American poet, memoirist, and civil rights activist.
-
D.
Lucille Wilson
Lucille Wilson was the fourth wife of jazz legend Louis Armstrong, known for her long marriage to him and for preserving and promoting his legacy.
-
E.
Marion Brown
Marion Brown was an American jazz alto saxophonist and composer associated with the avant-garde and free jazz movements of the 1960s and beyond.
- 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: Mamie Johnson Target entity description: Mamie Johnson was one of the first female pitchers in Negro league baseball, renowned for her success and trailblazing role with the Indianapolis Clowns in the 1950s.
-
A.
Mildred Thompson
Mildred Thompson was the wife of civil rights leader James Forman, associated with the mid-20th-century American civil rights movement.
-
B.
Edna Mae McCauley
Edna Mae McCauley is the central character in the 1980 drama film "Resurrection," a woman who miraculously survives a near-fatal accident and discovers she has the power to heal others.
-
C.
Marguerite Annie Johnson
Marguerite Annie Johnson is the birth name of Maya Angelou, the renowned American poet, memoirist, and civil rights activist.
-
D.
Lucille Wilson
Lucille Wilson was the fourth wife of jazz legend Louis Armstrong, known for her long marriage to him and for preserving and promoting his legacy.
-
E.
Marion Brown
Marion Brown was an American jazz alto saxophonist and composer associated with the avant-garde and free jazz movements of the 1960s and beyond.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Negro league baseball player
ⓘ
baseball player ⓘ human ⓘ pitcher ⓘ trailblazer for women in sports ⓘ |
| activeYearsInLeague |
1953
ⓘ
1954 ⓘ 1955 ⓘ |
| bats | right ⓘ |
| battingAverage | .270 ⓘ |
| burialPlace | Washington National Cemetery, Suitland, Maryland, United States NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1935-09-27 ⓘ |
| dateOfDeath | 2017-12-18 ⓘ |
| era | 1950s Negro league baseball ⓘ |
| ethnicGroup |
Black Americans
ⓘ
surface form:
African American
|
| givenName | Mamie NERFINISHED ⓘ |
| hasHonor |
honored by the Washington Nationals with a youth baseball field named after her
ⓘ
inducted into the Negro Leagues Baseball Museum Hall of Game ⓘ |
| height | about 5 feet 3 inches ⓘ |
| inspired | future generations of women baseball players ⓘ |
| knownFor | accurate and deceptive pitching despite small stature ⓘ |
| league | Negro American League NERFINISHED ⓘ |
| memberOfSportsTeam | Indianapolis Clowns NERFINISHED ⓘ |
| nickname | Peanut NERFINISHED ⓘ |
| notableFor |
being one of the first female pitchers in Negro league baseball
ⓘ
playing professional baseball with men in the Negro leagues ⓘ trailblazing role with the Indianapolis Clowns in the 1950s ⓘ |
| occupation |
baseball player
ⓘ
nurse ⓘ |
| placeOfBirth | Ridgeway, South Carolina, United States NERFINISHED ⓘ |
| placeOfDeath |
Washington, D.C.
ⓘ
surface form:
Washington, D.C., United States
|
| playedAgainst | male professional baseball players ⓘ |
| positionPlayed | pitcher ⓘ |
| reasonForRejection | racial discrimination ⓘ |
| rejectedBy | All-American Girls Professional Baseball League NERFINISHED ⓘ |
| residence |
Washington, D.C.
ⓘ
surface form:
Washington, D.C., United States
|
| sexOrGender | female ⓘ |
| sport | baseball ⓘ |
| subjectOf | biographical children’s book "A Strong Right Arm" NERFINISHED ⓘ |
| throws | right ⓘ |
| winLossRecord | 33–8 ⓘ |
| workedAs | licensed practical nurse ⓘ |
| workedFor | George Washington University Hospital 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: Mamie Johnson Description of subject: Mamie Johnson was one of the first female pitchers in Negro league baseball, renowned for her success and trailblazing role with the Indianapolis Clowns in the 1950s.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.