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 Irene White Marbury

• Nannie Mae Gahn Johnson

• Hattie Mae Annette Dulin Redford

• Bessie Mae Downey Rhoades Martin

• 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.​     

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      Soaring To Greater Heights Of Attainment Around The World, Sigma Gamma Rho Sorority, Inc., as a leading international service organization, has met the challenges of the day and continues to grow through Sisterhood, Scholarship, and Service.