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

1st Div., 1st Brigade, V Corps Colonel William S. Tilton Born in Massachusetts, Age 35 Wikitree Information	1st Div., 2nd Brigade, V Corps Colonel Jacob B. Sweitzer Born in Pennsylvania, Age 41 Wikitree Information	1st Div., 3rd Brigade, V Corps Colonel Strong Vincent Born in Pennsylvania, Age 26 Wikitree Information
Regiments: 18th Massachusetts | 139 men | Roster 22nd Massachusetts | 137 men | Roster 1st Michigan | 145 men | Roster 118th Pennsylvania | 233 men | Roster	Regiments: 9th Massachusetts | 412 men | Roster 32nd Massachusetts | 242 men | Roster 4th Michigan | 342 men | Roster 62nd Pennsylvania | 426 men | Roster	Regiments: 20th Maine | 386 men | Roster 16th Michigan | 263 men | Roster 44th New York | 391 men | Roster 83rd Pennsylvania | 295 men | Roster