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

1st Div., 1st Brigade, II Corps Brigadier General Edward E. Cross Born in New Hampshire, Age 31 Wikitree Information	1st Div., 2nd Brigade, II Corps Brigadier General Patrick Kelly Irish Brigade Born in Ireland, Age c.41 Wikitree Information	1st Div., 3rd Brigade, II Corps Brigadier General Samuel K. Zook Born in Pennsylvania, Age 42 Wikitree Information	1st Div., 4th Brigade, II Corps Colonel John Rutter Brooke Born in Pennsylvania, Age 24 Wikitree Information
Regiments: 5th New Hampshire | 179 men Roster 61st New York | 104 men Roster 81st Pennsylvania | 175 men Roster 148th Pennsylvania | 392 men Roster	Regiments: 28th Massachusetts | 224 men | Roster 63rd New York | 75 men | Roster 69th New York | 75 men | Roster 88th New York | 90 men | Roster 116th Pennsylvania | 66 men | Roster	Regiments: 52nd New York | 134 men | Roster 57th New York | 175 men | Roster 66th New York | 147 men | Roster 140th Pennsylvania | 515 men | Roster	Regiments: 27th Connecticut | 75 men | Roster 2nd Delaware | 234 men | Roster 64th New York | 204 men | Roster 53rd Pennsylvania | 135 men | Roster 145th Pennsylvania | 202 men | Roster