Thrall is a city in Williamson County, Texas, United States. The population was 710 at the 2000 census, and 847 in the 2005 census estimate. The name Thrall was chosen for the community to honor the Rev. Homer S. Thrall, a Methodist minister and historian much admired by local settlers and residents. In 1998, the Thrall Varsity Baseball team won the A Texas state championship. And just recently the Womens Power Lifting team won the 2008 and 2009 state womens powerlifting state championship.