Carrie Underwood: the winner of American Idol, season four and now famous Country Singer/Actress is a member of Tri-Sigma from the Alpha Iota chapter in Northern Oklahoma!
Krystle Kitchen-Miss Virginia/National Miss America 2006
Jennifer Blackburn Dunn- U.S. House of Representatives
Gladys Morelock-Superintendent of the United States Mint
Billie Letts- Authur of the book "Where the Heart Is"
Suzie Williams- from the televison show, The Bachelor, is a Tri-Sigma sister.
Tri Sigma is the only sorority with a chapter in which all members have hearing impairments.