Son to James Johnson Barnett (1812 - 1884)and Elizabeth Willie Barnett (1813-1884).
George was a veteran of the Civil War. He was a Private in Shelby's Regiment for Texas. He owned land around Weatherford and listed as a farmer on the census.He was a City Commissioner of Weatherford, Texas in 1886.
On 23 November 1873, he met and married Florence Arzilla Crouch when her family was passing through Parker County. Her father was Joseph S. Crouch and Margaret Ann King. They had 10 children. Also an infant son that died in infancy and Simms Barnett that died as at 3.