Organized at Elmira, N.Y., August to October, 1862. Left State for New Orleans, La., December 4, 1862. Attached to Grover's Division, Dept. of the Gulf, to January, 1863. 3rd Brigade, 1st Division, 19th Army Corps, Dept. of the Gulf, to August, 1863. 1st Brigade, 1st Division, 19th Army Corps, to June, 1864. Bailey's Engineer Brigade, Dept. of the Gulf, to August, 1864. 3rd Brigade, 2nd Division, 19th Army Corps, Dept. of the Gulf, August, 1864. Guppy's Brigade, United States Forces, Mobile Bay, to December, 1864. United States Forces, mouth of White River, Military Division West Mississippi, to February, 1865. 3rd Brigade, 1st Division, Reserve Corps, Military Division West Mississippi, to February, 1865. 3rd Brigade, 1st Division, 13th Army Corps (New), Military Division West Mississippi, to May, 1865. District of West Florida, Dept. of Florida, to July, 1865. Sub-District of Key West, District of Middle Florida, Dept. of Florida, to November, 1865.
SERVICE.--Occupation of Baton Rouge, La., December 17, 1862, and duty there until March, 1863. Operations against Port Hudson March 7-27. At Baton Rouge until May. Reconnaissance from Baton Rouge May 13. Advance on Port Hudson May 14-24. Action at Plain's Store May 21. Siege of Port Hudson May 24-July 9. Assaults on Port Hudson May 27 and June 14. Surrender of Port Hudson July 9. Kock's Plantation, Donaldsonville, July 12-13, At Baton Rouge until September 2, Sabine Pass Expedition September 4-11. Sabine Pass, Texas, September 8. Moved from Algiers to Brashear City September 16, thence to Berwick and Camp Bisland September 26. Western Louisiana Campaign October 3-November 30. At New Iberia until January 7, 1864. Moved to Franklin January 7 and duty there until March. Red River Campaign March 10-May 22. Advance from Franklin to Alexandria March 14-26. Battle of Sabine Cross Roads April 8. Pleasant Hill April 9. Monett's Crossing, Cane River, April 23. At Alexandria April 26-May 13. Construction of dam at Alexandria April 30-May 10. Retreat to Morganza May 13-20. Mansura May 16. At Morganza until July. Expedition to Mobile Bay August 18-September 2. Moved to Morganza September 2 and duty there until November 1. Operations near Morganza September 16-25. Expedition from Morganza to Bayou Sara October 3-6. Bayou Sara October 4. Moved to mouth of White River, Ark., November 1, and duty there until February, 1865. Campaign against Mobile and its Defenses March and April. Siege of Spanish Fort and Fort Blakely March 26-April 8. Assault and capture of Fort Blakely April 9. Occupation of Mobile April 12. Duty at and near Mobile until May. Ordered to Barrancas, Fla. Expedition from Barrancas to Appalachicola, Fla., May 31-June 6. Duty in District of West Florida and in Sub-District of Key West, District of Middle Florida, until November. Mustered out November 12, 1865.
Regiment lost during service 1 Officer and 55 Enlisted men killed and mortally wounded and 250 Enlisted men by disease. Total 306.