Otis McDonald
E672024
Otis McDonald was the lead plaintiff in the landmark U.S. Supreme Court case McDonald v. City of Chicago, which extended Second Amendment gun rights protections to apply against state and local governments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Otis McDonald canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7520359 — 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: Otis McDonald Context triple: [McDonald v. City of Chicago, petitioner, Otis McDonald]
-
A.
Otis Smith
Otis Smith was one of the African American defendants tried alongside Dr. Ossian Sweet in the landmark 1925 Detroit case involving racial violence and self-defense.
-
B.
Melvin Edmonds
Melvin Edmonds was an American R&B singer best known as a founding member of the group After 7.
-
C.
Clifton McNeely
Clifton McNeely was an American basketball player and coach known for being the first overall pick in the inaugural 1947 BAA (now NBA) draft.
-
D.
Otis Davis
Otis Davis is an American sprinter best known for winning two gold medals and setting a world record at the 1960 Rome Olympics.
-
E.
Alphonso Johnson
Alphonso Johnson is an American jazz and jazz fusion bassist best known for his work with Weather Report and numerous other influential fusion and rock acts.
- 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: Otis McDonald Target entity description: Otis McDonald was the lead plaintiff in the landmark U.S. Supreme Court case McDonald v. City of Chicago, which extended Second Amendment gun rights protections to apply against state and local governments.
-
A.
Otis Smith
Otis Smith was one of the African American defendants tried alongside Dr. Ossian Sweet in the landmark 1925 Detroit case involving racial violence and self-defense.
-
B.
Melvin Edmonds
Melvin Edmonds was an American R&B singer best known as a founding member of the group After 7.
-
C.
Clifton McNeely
Clifton McNeely was an American basketball player and coach known for being the first overall pick in the inaugural 1947 BAA (now NBA) draft.
-
D.
Otis Davis
Otis Davis is an American sprinter best known for winning two gold medals and setting a world record at the 1960 Rome Olympics.
-
E.
Alphonso Johnson
Alphonso Johnson is an American jazz and jazz fusion bassist best known for his work with Weather Report and numerous other influential fusion and rock acts.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Supreme Court case
ⓘ
human ⓘ |
| advocatedFor |
individual Second Amendment rights
ⓘ
right to keep a handgun in the home for self-defense ⓘ |
| appliesToJurisdiction |
local governments in the United States
ⓘ
state governments in the United States ⓘ |
| causeOfDeath | pancreatic cancer ⓘ |
| citation | 561 U.S. 742 ⓘ |
| citizenship | United States of America ⓘ |
| court | Supreme Court of the United States ⓘ |
| dateOfBirth | 1933 ⓘ |
| dateOfDeath | 2014 ⓘ |
| decisionDate | 2010-06-28 ⓘ |
| describedBySource |
U.S. Supreme Court decision McDonald v. City of Chicago
NERFINISHED
ⓘ
obituaries in major U.S. newspapers ⓘ |
| employer | Chicago Department of Streets and Sanitation NERFINISHED ⓘ |
| ethnicGroup |
Black Americans
ⓘ
surface form:
African American
|
| hasLanguage | English ⓘ |
| heldThat |
Second Amendment protects an individual right to possess a firearm unconnected with service in a militia
ⓘ
Second Amendment right to keep and bear arms is incorporated against the states ⓘ |
| knownFor | challenging Chicago’s handgun ban ⓘ |
| legalAction | lawsuit against City of Chicago over handgun ban ⓘ |
| legalSubject | Second Amendment to the United States Constitution NERFINISHED ⓘ |
| livedIn | Morgan Park, Chicago NERFINISHED ⓘ |
| majorityOpinionBy | Samuel Alito NERFINISHED ⓘ |
| movement | gun rights movement ⓘ |
| name | Otis McDonald NERFINISHED ⓘ |
| notableFor | being lead plaintiff in McDonald v. City of Chicago ⓘ |
| numberOfChildren | 4 ⓘ |
| occupation | maintenance engineer ⓘ |
| overturned | Chicago’s effective handgun ban ⓘ |
| partyTo | McDonald v. City of Chicago NERFINISHED ⓘ |
| placeOfBirth | Louisiana NERFINISHED ⓘ |
| placeOfDeath |
Illinois
NERFINISHED
ⓘ
United States of America ⓘ |
| plaintiff | Otis McDonald NERFINISHED ⓘ |
| relatedToCase | District of Columbia v. Heller NERFINISHED ⓘ |
| religion | Christianity ⓘ |
| residence |
Chicago
NERFINISHED
ⓘ
Illinois NERFINISHED ⓘ United States of America ⓘ |
| role | lead plaintiff in McDonald v. City of Chicago ⓘ |
| spouse | Laura McDonald NERFINISHED ⓘ |
| subjectOf | news coverage related to McDonald v. City of Chicago ⓘ |
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: Otis McDonald Description of subject: Otis McDonald was the lead plaintiff in the landmark U.S. Supreme Court case McDonald v. City of Chicago, which extended Second Amendment gun rights protections to apply against state and local governments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.