Waxahachie is a city in Ellis County, Texas, United States. The population was 21,426 at the 2000 census. It is the county seat of Ellis County. Waxahachie was the birthplace of Tom Blasingame, considered the oldest cowboy in the history of the American West, R&B singer Tevin Campbell, and also of Byron Nelson, a professional golf legend. According to An Informal History of Texas by Frank X. Tolbert, "Waxahachie" is an Indian word meaning "cow creek."