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Allegra Mertz

American sailor

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 24, 2026
Entity authorityQ109321816
Source-derived summary

Allegra ("Leggie") Knapp Brickell Mertz (1913-1989) was a four-time United States' women's national sailing champion and the first woman to receive the Nathaneal G. Herreshoff Trophy from US Sailing.

Sailing history

Mertz grew up sailing and a 1954 Sports Illustrated article describes her tenacity and how she encouraged junior sailors. Mertz won regattas in a range of boats including the Moth class, the 210 class, and the Etchells class where she split helm duties with her husband James Mertz. In the International One Design class she won the first IOD trophy in 1937, a silver seashell that is now given as the 'Allegra Trophy' for 2nd place at the IOD World Championship.

Knapp was a four-time winner of the Mrs. Charles Francis Adams Trophy (1950, 1954, 1959, and 1963), which placed her as the United States' women's national sailing champion in those years. She also won the Syce Cup trophy for the women's Long Island Sound championship eight times. Her first win came in 1938 where she sailed with her sister-in-law Dorothy Knapp, Sarah Baylis, and the 13 year old Aileen Shields who was the youngest competitor of the event.

Knapp was a longtime president of the Women's North American Sailing Committee. In 1954 she founded the International Blue Jay Association and was Blue Jay class association president for 24 years.

Editorial summary

The public source identifies “Allegra Mertz” as american sailor. This brief keeps that definition visible, then builds a research path around Allegra, Mertz and American.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1913, 1989, 1954, 1937—that can be checked directly. The linked authority record independently contributes the date 1913-01-01. Its value is orientation rather than verdict, with Allegra, Mertz and American providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Allegra Mertz”, the useful work is to connect “american sailor” to the records capable of establishing context and consequence.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 24, 2026. The linked authority identifier is Q109321816. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1913, 1989, 1954 and 1937.

Critical limits

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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Source & attribution

This entry incorporates text from Allegra Mertz” 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.