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Jackson, Thomas (unknown–1836)

Bill Groneman Biography Entry

Thomas Jackson, Alamo defender, was born in Ireland. He settled in 1831 in Texas, where he registered for land in DeWitt's colony on May 1. Jackson married Louise Cottle and was the father of four children. At the outbreak of the Texas Revolution he was one of the "Old Eighteen," the original defenders of the Gonzales cannon in the battle of Gonzales. He entered the Alamo with the relief force from Gonzales on March 1, 1836. Jackson died in the battle of the Alamo on March 6, 1836.

Daughters of the American Revolution, The Alamo Heroes and Their Revolutionary Ancestors (San Antonio, 1976). Bill Groneman, Alamo Defenders (Austin: Eakin, 1990). Ethel Zivley Rather, "DeWitt's Colony," Quarterly of the Texas State Historical Association 8 (October 1904).


  • Peoples
  • Irish
  • Military
  • Soldiers

Time Periods:

  • Texas Revolution

The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this entry.

Bill Groneman, “Jackson, Thomas,” Handbook of Texas Online, accessed October 31, 2020,

Published by the Texas State Historical Association.