When Adrián Woll raided San Antonio in 1842, Alexander was elected lieutenant in the volunteer company of Capt. Nicholas M. Dawson. He was killed in action in the infamous Dawson Massacre on September 18, 1842. He was buried with his companions at Monument Hill near La Grange, Fayette County.
29° 53.339, -096° 52.618
Monument Hill State Historic Site