Statistics for occurrence #1 of “Hugh L. Clay” in chapter 1 of Col. O. M. Roberts, Confederate Military History, a library of Confederate States Military History: Volume 12.1, Alabama:

...ibbs. The Thirteenth regiment of regulars included a large number of Alabamians. Jones M. Withers, of Mobile, who graduated at West Point in 1835, was its lieutenant-colonel, and Egbert I. Jones, Hugh L. Clay and Nicholas Davis were among its officers. A small battalion commanded by Col. Phillip H. Raiford, composed of the companies of Captains Curtis, Downman and Ligon and independent companies command...
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