[6] Aided by McAllister, Astor[a] attempted to codify proper behavior and etiquette, as well as determine who was acceptable among the arrivistes,[8] as champions of old money and tradition.
[6] Reportedly, Ward McAllister coined the phrase "the Four Hundred" by declaring that there were "only 400 people in fashionable New York Society.
"[11] While the number four hundred has popularly been linked to the capacity of Caroline Schermerhorn Astor's ballroom at her large brownstone home at 350 Fifth Avenue and East 34th Street (today the site of the Empire State Building),[12][13] the exact origins remain unknown.
[4]The list, purported to include the crème de la crème of New York society, consisted largely of "bankers, lawyers, brokers, real estate men, and railroaders, with one editor (Paul Dana of The New York Sun), one publisher, one artist, and two architects.
[15] William d'Alton Mann, who owned Town Topics, a gossip magazine, considered it his duty to expose the sins of society and regularly criticized the Four Hundred.
[19] Several years later, author O. Henry released a collection of short stories, entitled The Four Million, a reaction to this phrase, expressing his opinion that every human being in New York was worthy of notice.
"[22] Besides containing far fewer than 400 people, McAllister's list "abounded in inaccuracies: names were misspelled or incomplete and many spouses omitted or included although they were dead.