Worthy McClintock from Solon, Ohio, served as a private in Company H of the 18th Regiment United States Infantry, Regular Army during the Civil War. He was initially stationed at Camp Thomas in Columbus, Ohio and eventually saw duty in Tennessee, Alabama, and Kentucky from June 1862 through the summer of 1864. He was in the Battles of Chattanooga and Chickamauga. Based on a few of the letters in this collection Worthy apparently died while in service sometime before November 1, 1864.