Mary McElroy

E659711

Mary McElroy was the sister and unofficial White House hostess of U.S. President Chester A. Arthur, known for managing social functions during his administration.

All labels observed (1)

Label Occurrences
Mary McElroy canonical 1

Statements (25)

Predicate Object
instanceOf White House hostess
human
affiliation Arthur administration NERFINISHED
connectedTo Presidency of Chester A. Arthur NERFINISHED
countryOfCitizenship United States of America
employer White House NERFINISHED
familyName McElroy NERFINISHED
givenName Mary NERFINISHED
hasHonorificTitle White House hostess
hasRole First Lady of the United States (de facto)
languagesSpokenWrittenOrSigned English
notableFor managing social functions during the Chester A. Arthur administration
serving as social figurehead in place of a presidential spouse
notableRole unofficial White House hostess
notableWork management of White House social functions
occupation social hostess
partOf social life of the Arthur presidency
placeOfActivity United States federal government social sphere
positionHeld White House hostess
relative Chester A. Arthur NERFINISHED
residence New York (state) NERFINISHED
Washington, D.C.
sexOrGender female
sibling Chester A. Arthur NERFINISHED
workLocation White House 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: Mary McElroy
Description of subject: Mary McElroy was the sister and unofficial White House hostess of U.S. President Chester A. Arthur, known for managing social functions during his administration.

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.