William McDowell, Alamo defender, son of Col. John McDowell of Kishacoquillas, Pennsylvania, was born at Mifflin County, Pennsylvania, in 1794. He left Tennessee for Texas in 1835 with John Purdy Reynolds. On January 14, 1836, McDowell was sworn into the Volunteer Auxiliary Corps of the Texas Army at Nacogdoches. He rode to San Antonio and the Alamo as a member of Capt. William B. Harrison's company, along with David Crockett, and arrived about February 9, 1836. McDowell died in the battle of the Alamo on March 6, 1836.