Chapters by Installation Date

1940's

• Iota Zeta - January 30, 1940 - University of Georgia, Athens, Georgia
• Iota Theta - May 10, 1941 - University of North Texas, Denton, Texas
• Iota Kappa - May 17, 1941 - Mississippi University for Women, Columbus, Mississippi**
• Iota Lambda - May 24, 1941 - University of Missouri, Columbia, Missouri
• Iota Mu - April 27, 1942 - Drury College, Springfield, Missouri*
• Iota Nu - April 28, 1942 - Seton Hill College, Greensburg, Pennsylvania**
• Iota Xi - May 26, 1942 - Chicago YMCA**
• Iota Eta - January 29, 1943 - Indiana State University, Terre Haute, Indiana
• Iota Omicron - February 5, 1943 - University of Louisiana at Lafayette
• Iota Pi - April 18, 1943 - Albion College, Albion, Michigan
• Iota Rho - May 5, 1945 - Mary Hardin Baylor College, Belton, Texas*
• Alpha Nu - November 19, 1945 - Youngstown University, Youngstown, Ohio
• Iota Sigma - February 12, 1946 - University of Kansas City, Kansas City, KS (merged with Tau, 1959, became Tau-Sigma)
• Iota Tau - April 29, 1946 - University of North Carolina, Chapel Hill, North Carolina
• Iota Upsilon - November 8, 1946 - Benedictine College, Atchison, Kansas*
• Iota Phi - November 15, 1946 - Vanderbilt University, Nashville, Tennessee (reorganized December 4, 1999)
• Iota Chi - November 18, 1946 - Ball State University, Muncie, Indiana
• Iota Psi - January 1, 1947 - University of Minnesota, Duluth, Minnesota*
• Iota Omega - April 11, 1947 - Texas Woman's University, Denton, Texas
• Beta Alpha - October 30, 1947 - Florida State University, Tallahassee, Florida
• Beta Beta - November 14, 1947 - University of Kansas, Lawrence, Kansas
• Beta Gamma - April 15, 1948 - Bradley University, Peoria, Illinois
• Beta Delta - May 22, 1948 - University of Puget Sound, Tacoma, Washington
• Beta Epsilon - November 5, 1948 - University of Evansville, Evansville, Indiana
• Beta Zeta - January 14, 1949 - Meredith College, Raleigh, North Carolina
• Beta Eta - March 25, 1949 - Western Michigan University, Kalamazoo, Michigan