(1818-1884) One of leading early citizens of Kaufman County. Represented the county in Texas Secession Convention, Jan.-March 1861. Later in 1861, he fought in Confederate cavalry of Col. Tom Green in New Mexico campaign. As Colonel of 2nd Partisan Rangers, Walker's Division, fought at Mansfield and Pleasant Hill (La.), in Red River Campaign to prevent a Federal invasion of Texas in 1864. A cousin of Jesse Chisholm, who pioneered famous Chisholm Cattle Trail, and of cattle baron John Simpson Chisum, Col. Chisum married Charlotte Martin. They have many descendants in Texas.