In addition to her legislative service, Parker is an attorney and has practiced law in Southeast Missouri and Northeast Arkansas for 24 years. She currently has a law practice in Malden, Missouri.

Her past service includes serving on the Campbell School Board and the Women's Domestic Violence Shelter Board. She is a member of the Daughters of the American Revolution.

A graduate of Risco High School, Parker attended Central Methodist College to play basketball on a collegiate level. Thereafter, she earned a bachelor's degree in Political Science from the University of Missouri. She obtained her Juris Doctorate from Mississippi College School of Law in Jackson, Mississippi.

Parker resides in Campbell with her husband and two children. The family attends the First Baptist Church.