This society, which is entirely made up of trade and professional workers, claims an approximate membership of twenty-two thousand.

A number of unions belong to the League, and there is also a very large individual membership.
In Chicago the suffrage movement and the labor movement is more closely associated than in any other American city.

In Chicago, it will be remembered, the Teachers' Federation is a trade union and is allied to the Central Labor Union.

Teachers, almost everywhere denied equal pay with men for equal work, are eager seekers for political power.

When, as in Chicago, they are associated with labor, they become convinced suffragists.
Organized labor has always been friendly to woman suffrage, but in Chicago not only the union women but the union men are actively friendly towards the cause.