Union Order of Battle at Gettysburg
Army of the Potomac, III Corps, 1st Division

1st Div., 1st Brigade, III Corps Brigadier General Charles K. Graham Born in New York, Age 39 Wikitree Information	1st Div., 2nd Brigade, III Corps Brigadier General J.H. Hobart Ward Born in New York, Age 40 Wikitree Information	1st Div., 3rd Brigade, III Corps Colonel Philippe Regis Denis de Keredern Trobriand Born in France, Age 47 Wikitree Information
Regiments: 57th Pennsylvania | 207 men Roster 63rd Pennsylvania | 246 men Roster 68th Pennsylvania | 320 men Roster 105th Pennsylvania | 274 men Roster 114th Pennsylvania | 259 men Roster 141st Pennsylvania | 209 men Roster	Regiments: 20th Indiana | 401 men 3rd Maine | 210 men | Roster 4th Maine | 287 men | Roster 86th New York | 287 men | Roster 124th New York | 238 men | Roster 99th Pennsylvania | 277 men | Roster 1st U.S. Sharpshooters | 313 men | 2nd U.S. Sharpshooters | 169 men |	Regiments: 17th Maine | 350 men | Roster 3rd Michigan | 237 men | Roster 5th Michigan | 216 men | Roster 40th New York | 431 men | Roster 110th Pennsylvania | 152 men | Roster