Happy Rockefeller
Second Lady of the United States from 1974 to 1977

Margaretta Large "Happy" Rockefeller was a philanthropist who, as the wife of the 41st vice president of the United States, Nelson Rockefeller, served as second lady of the United States from 1974 to 1977. She was previously the first lady of New York from 1963 to 1973, during her husband's last three terms in office.
Begin with the source’s own compact description: “Happy Rockefeller” is second Lady of the United States from 1974 to 1977. The dossier treats that line as a proposition to test through Happy, Rockefeller and Second, not as a finished interpretation.
Why this record matters
The phrase “second Lady of the United States from 1974 to 1977” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 24, 2026. The first chronological checks are 1974, 1977, 1963 and 1973.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
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Questions for further research
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This entry incorporates text from “Happy Rockefeller” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.