Isaac Parker. A native of Georgia, Isaac Parker came to Texas in 1833 as part of the pioneer family that built Fort Parker in Limestone County. He fought in the Texas Revolution and served in the Republic of Texas Congress, representing part of East Texas. He participated in the 1845 Statehood Convention and later represented Tarrant and Ellis Counties in the State Legislature. In the 1850s, Parker introduced the bill creating this county, which was named in his honor. Recorded, 1986. #2655