7th Missouri Infantry Regiment
| 7th Missouri Infantry Regiment ("Irish Seventh") | |
|---|---|
| Active | June 1861 to December 17, 1864 | 
| Country | United States | 
| Allegiance | Union | 
| Branch | Infantry | 
| Engagements | Battle of Port Gibson Battle of Raymond Battle of Champion Hill Battle of Big Black River Bridge Siege of Vicksburg, May 19 & May 22 assaults Battle of Bogue Chitto Creek | 
The 7th Missouri Infantry Regiment, commonly known as the "Irish Seventh", was an infantry regiment that served in the Union Army during the American Civil War. In 1864 a battalion of veteran volunteers of the "Irish Seventh was consolidated with a sister Irish regiment, the 30th Missouri Volunteer Infantry (the "Shamrock Regiment") and operated as a "demi-brigade" known popularly as the "Missouri Irish Brigade"