[1] WSP called itself "a political union of existing equal suffrage organizations in the City of New York.
[4][5] The ISC was a group created by Carrie Chapman Catt and made up of smaller suffrage organizations in New York City.
"[9] The bottom level of the group included individual party members, who then chose district leaders who would represent them at borough and city conventions.
"[10] In order to raise money for the group, WSP took in contributions from individuals, sponsored benefits and also created several "fund-raising stunts.
[12] Women in the WSP raised awareness by organizing large meetings, passing out suffrage-related literature and marched in parades.
[16] WSP also printed much of their literature in other languages, in order to reach minority groups, such as Italian, Jewish and Chinese women in New York.
[20] During the summer of 1915, the WSP ran a "model woman suffrage campaign," with 5,225 outdoor meetings, 13 concerts and 28 parades and processions.
WSP sponsored a boat to run between Coney Island and Brighton Beach with a ten-foot sign urging people to support women's suffrage.
Catt called the New York campaign the "decisive battle of the American woman suffrage movement.
[32][33] The labor journalist Mary Heaton Vorse was a founding member, and in 1913 the party's delegate to the conference of the International Woman Suffrage Alliance in Budapest.