Knoxie is a native Dallasite and a REALTOR® who has received two degrees from S.M.U. She is active in the S.M.U. Mustang Club and the Uptown Dallas Association. Knoxie is also an active member of Crystal Charity Ball, past President of the Women's Auxiliary of Children's Medical Center, and a past board member of the Junior League of Dallas. Currently, she is the wedding coordinator for Highland Park Presbyterian Church.
Knoxie raised three daughters in the Park Cities and has three beautiful granddaughters.