List of Texas County Seat Name Etymologies

County Seat	County	Named for
Jacksboro	Jack	Patrick Churchill Jack, attorney and early Texas colonist, and his brother William Houston Jack, both veterans of the Texas Revolution who founded the city and for whom the county is also named
Jasper	Jasper	William Jasper, a Revolutionary War hero
Jayton	Kent	the Jay family, early ranchers in the area
Jefferson	Marion	Thomas Jefferson
Johnson City	Blanco	James Polk Johnson, early settler and the nephew of Lyndon Baines Johnson's grandfather.
Jourdanton	Atascosa	Jourdan Campbell, owner of a local ranch, who lent his name to the city.
Junction	Kimble	its location at the confluence of the North and South Llano Rivers