Lacy Windham was born and raised in Chattanooga. She attended Girls Preparatory School, followed by the University of Tennessee at Chattanooga. While there, she was a Brock Scholar and active in the University Honors Program. She graduated with majors in Biology and Sociology. She attended medical school at the University of Tennessee Health Science Center in Memphis. Her residency was completed at Eastern Virginia Medical School in Norfolk, Virginia. She was the recipient of multiple awards during her residency training. Her professional interests include minimally invasive surgery, as well as adolescent and young adult health.