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RYAN, ISAAC (1805–1836). Isaac Ryan, Alamo defender, son of Jacob and Marie (Hartgrove) Ryan, was born at St. Landry Parish, Louisiana, on March 1, 1805. He took part in the siege of Bexar and served in the Alamo garrison as a member of Capt. Robert White's infantry company, the Bexar Guards. Ryan 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). Daughters of the Republic of Texas, Muster Rolls of the Texas Revolution (Austin, 1986). Bill Groneman, Alamo Defenders (Austin: Eakin, 1990). John H. Jenkins, ed., The Papers of the Texas Revolution, 1835–1836 (10 vols., Austin: Presidial Press, 1973).
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The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article.Handbook of Texas Online, Bill Groneman, "RYAN, ISAAC," accessed May 22, 2019, http://www.tshaonline.org/handbook/online/articles/fry03.
Uploaded on June 15, 2010. Modified on February 11, 2019. Published by the Texas State Historical Association.