Battle of McDowell order of battle: Union

The following United States Army units and commanders fought in the Battle of McDowell of the American Civil War. The Confederate order of battle is listed separately.

Military rank

 * MG = Major General
 * BG = Brigadier General
 * Col = Colonel
 * Ltc = Lieutenant Colonel
 * Maj = Major
 * Cpt = Captain

Mountain Department
MG John C. Frémont (not present)

Union Forces Around McDowell
BG Robert H. Milroy BG Robert C. Schenck