Since its inception, Sigma Gamma Rho has promoted unity among women and has worked with individuals who were not members of Greek-lettered organizations. These women were organized into auxiliaries beginning in 1943 that had various names. In 1954, the sorority officially approved the organized affiliate group and accepted the name of “Philo”(meaning Friend) as their official name.

In 1980, the Philos were organized on a national level and have since grown to represent hundreds of women organized on a regional level. The Philos have contributed countless hours of community service and thousands of dollars aiding Sigma Gamma Rho’s aim to enhance the quality of life within every community.

On March 19, 2022, Theta Alpha Sigma established the FIRST Philo Affiliate in the state of the Connecticut.  Philo Lelia Jiggets served as the first president and Philo Celeste Dowdell served as first Vice President for the affiliate.