where is heath texas
HEATH, TX. HEATH, TEXAS. Heath is on Farm Road 740 seven miles south of Rockwall in southwestern Rockwall County. It was named for John O. Heath, who in 1846 became one of the earliest settlers in the area. The settlement was originally known as Black Hillâa reference to the black soil of the areaâand received a post office, the first in what is now Rockwall County, in 1849. In 1854 the post office was moved to nearby Rockwall.