Statistics for occurrence #1 of “General Alex. Hays” in chapter 10, page 231 of William F. Fox, Lt. Col. U. S. V., Regimental Losses in the American Civil War, 1861-1865: A Treatise on the extent and nature of the mortuary losses in the Union regiments, with full and exhaustive statistics compiled from the official records on file in the state military bureaus and at Washington:

...hs stay at Chicago, the men were declared exchanged, upon which the regiment returned to Virginia. During the winter and spring of 1863 it was encamped at Centreville, Va., where it was attached to General Alex. Hays 's Brigade. In June, 1863, that command joined the Army of the Potomac, and marched with it to Gettysburg, where Colonel Willard was killed while in command of the brigade, the regiment losing there...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.