George W. Guess, lawyer, Confederate army officer, and mayor of Dallas, was born in North Carolina around 1829. While practicing law in Dallas, he aided Dallas District Attorney John Calvin McCoy in the case involving the murder of Alexander Cockrell. During the Civil War he was elected lieutenant colonel in the Thirty-first Texas Cavalry after serving with John Jay Good's Battery. He was imprisoned in a federal prison in New Orleans at the end of the war.
After the Civil War, Guess was mayor of Dallas from 1866 to 1868. He died on July 18, 1868, on a Mississippi River steamboat in Shelby County, Tennessee, after suffering sunstroke. He was buried at Elmwood Cemetery in Memphis, Tennessee. Guess was a Free Mason.