Psi Sigma chapter was chartered on December 19, 1938 by nine educators: Grace Abernathy Gladys Dabner Ophelia Jackson Dorothy E. Johnson Gertrude B. Johnson Hattie McKim Amma Reddins Cozetta K. Seals and Edith A. Williams in the home of Soror Hattie McKim. Shortly thereafter, all of the Kansas City Call staff (Kansas City's Black weekly paper) became members. Psi Sigma made her debut to Kansas City society March 19, 1939 with an impressive Creative Art and Musical Fete.
Many of Psi Sigma's charter members were very influential in the Kansas City community. Soror Hattie McKim helped to reactivate the Pan Hellenic Council of Greater Kansas City. Soror Grace Abernathy Williams accomplished vocalist, shared her talent and was instrumental in organizing a National Council of Negro Women in the Kansas City area as well as organizing the first troop for girls. Soror Rubye Jamison was a leader in advocacy for Special Education for special needs students working as an Intermediate Teacher at the B.W. Shepherd School. Soror Zepha J. Rollins is the first African-American to serve as Representative on the Employers' Council.
Psi Sigma chapter served as hostess of the first Central Regional Conference of Sigma Gamma Rho Sorority, Inc. Adapted from "White, Pearl Schwartz., and Lillie Wilkes. Behind These Doors-a Legacy: the History of Sigma Gamma Rho Sorority. Sigma Gamma Rho Sorority, 1974.