Sigma Gamma Rho Sorority, Inc. was organized on November 12, 1922, in Indianapolis, Indiana, by seven young educators: Mary Lou Allison Gardner Little, Dorothy Hanley Whiteside, Vivian White Marbury, Nannie Mae Gahn Johnson, Hattie Mae Annette Dulin Redford, Bessie Mae Downey Rhoades Martin and Cubena McClure. The group became an incorporated national collegiate sorority on December 30, 1929, when a charter was granted to Alpha Chapter at Butler University.

Soaring To Greater Heights Of Attainment Around The World, Sigma Gamma Rho Sorority, Inc., as a leading national service organization, has met the challenges of the day and continues to grow through Sisterhood, Scholarship, and Service. It is the mission of Sigma Gamma Rho Sorority, Inc. to enhance the quality of life for women and their families in the U.S. and globally through community service, civil, and social action. Our goal is to achieve greater progress in the areas of education, health awareness, and leadership development. Our members, affiliates, staff, and community partners work to create and support initiatives that align with our vision.