Organized at Kansas City as 12th Kansas Infantry.
At Fort Leavenworth, Kansas, designation changed to 9th Kansas Infantry February 4, 1862, and to 2nd Cavalry March 5, 1862.
Mustered out August 17, 1865.
Field and Staff Officers roster.
Non-Commissioned Officers roster.
Company rosters:
- Company A
- Company B
- Company C
- Company D
- Company E
- Company F
- Company G
- Company H
- Company I
- Company K
- Company L
- New Company C
- New Company D