same name already existed.

The sorority was formed as a local organization, with no plans for expansion. However, a second chapter was formed at the University of Pennsylvania in 1920, followed by a chapter at Ohio State University in 1921. By 1930, Sigma Delta Tau had chartered ten chapters and had initiated 540 members. It also had established alumnae chapters in Baton Rouge, Louisiana; Chicago, Illinois; Cincinnati, Ohio; Columbus, Ohio;