15th Maine Infantry

== Regimental History and Service Record ==
Organized at Augusta December 6-31, 1861, and mustered in January 23, 1862. Moved to Portland February 25, and there embarked for Ship Island, Miss., March 6. Attached to Butler's New Orleans Expeditionary Corps January to March, 1862. 3rd Brigade, Dept. of the Gulf, to September, 1862, District of West Florida, Dept. Gulf, to June, 1863. 2nd Brigade, 4th Division, 19th Army Corps, Dept. Gulf, to December, 1863. 3rd Brigade, 2nd Division, 13th Corps, Dept. Gulf, to January, 1864. 2nd Brigade, 4th Division, 13th Corps, Dept. Gulf, to February, 1864. 2nd Brigade, 1st Division, 19th Corps, Dept. Gulf, to July, 1864, and Army Shenandoah, Middle Military Division, to April, 1865. 1st Brigade, 1st Division, Dept. of Washington, to June, 1865. 2nd Separate Brigade, District of South Carolina, Dept. of the South, to July, 1866.
SERVICE.--Duty at Ship Island, Miss., until May, 1862, and at Camp Parapet and Carrollton May 19-September 8. Moved to Pensacola, Fla., September 8, and duty there until June, 1863. Action at Fifteen Mile House, Fla., February 25, 1863, and at Arcadia March 6. Ordered to New Orleans June 21, thence to La Fourche Landing. Expedition to Thibodeaux June 23-25. At Camp Parapet until August, and provost duty in New Orleans until October. Expedition to the Rio Grande, Texas, October 27-December 2. Advance on Brownsville November 3-6. Occupation of Brownsville November 6. Expedition to Aransas November 14-21. Aransas Pass and capture of Mustang Island November 17. Fort Esperanza November 25-27. Cedar Bayou November 23 (Detachment). Duty at Pass Cavallo, Matagorda Island, until February 28, 1864. Moved to Franklin, La., March 1-5. 
* March 10-May 22, 1864 - The Red River Campaign
** March 14-26, 1864 - Advance from Franklin, Louisiana to Alexandria, Louisiana 
** thence to Natchitoches March 26-April 2. 
** Battle of Sabine Cross Roads April 8. 
** Pleasant Hill April 9. 
** Cane River Crossing April 23. 
** At Alexandria April 26-May 13. 
** May 13-20, 1864 - Retreat from Alexandria, Louisiana to Morganza, Louisiana
Mansura May 16. Duty at Morganza until July. Moved to Fort Monroe, thence to Bermuda Hundred, Va., July 1-17 (6 Cos.). Duty in trenches at Bermuda Hundred until July 28. Deep Bottom July 28-30. Moved to Washington, D.C., thence to Monocacy, Md. (4 Cos., under Murray and Drew, moved from Morganza to Washington, D.C., July 1-12. Pursuit of Early July 14-24. Rejoin Regiment at Monocacy, Md., August 4.) Veterans on furlough August 5-October l. Non-Veterans temporarily attached to 13th Maine Infantry, and duty at Harper's Ferry until October 5. Regiment moved to Martinsburg October 5, and duty there until January 7, 1865. Moved to Stevenson's Depot, and operations in the Shenandoah Valley until April. Moved to Washington, D.C., April 19-23, and duty there until May 31. On provost duty during Grand Review May 23-24. Moved to Savannah, Ga., May 31-June 4, thence to Georgetown, S.C., June 13-14. Duty at Georgetown, Darlington, Cheraw, Chesterfield C. H., Bennettsville, Columbia and in Districts of Chester, Lancaster, York, Spartanburg and Union until July, 1866. Mustered out July 5, 1866. Non-Veterans mustered out January 15, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 5 Enlisted men killed and mortally wounded and 3 Officers and 340 Enlisted men by disease. Total 348.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 750, 751, 753, 1224-1225)
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