From Civil War Soldiers and Sailors System at http://www.itd.nps.gov/cwss/soldiers.htm

Jackson Gadbury (First_Last)
Regiment Name 16 Kansas Cavalry
Side Union
Company D
Soldier's Rank_In Pvt.
Soldier's Rank_Out Pvt.
--

UNION KANSAS VOLUNTEERS

16th Regiment, Kansas Cavalry

Organized at Leavenworth City November, 1863, to May, 1864. Attached to District of Kansas, Dept. Missouri, to April, 1865. District of the Plains, Dept. Missouri, to December, 1865.

SERVICE.-Duty in the District of North Kansas at Fort Leavenworth till September, 1864. Company "D" at Fort Scott, 1st Brigade, District South Kansas. Companies "A" and "L" at Paola, 2nd Brigade, District South Kansas. Company "B" at Shawnee Mission and Company "C" at Olathe, 2nd Brigade, District of South Kansas. Companies "F" and "G" at Lawrence August, 1864. Action at Ridgley, Mo., June 11, 1864 (Co. "E"). Scout from Leavenworth to Weston, Mo., June 13-16, and from Kansas into Missouri June 16-29. Camden Point July 13 (Co. "F"). Near Lexington October 17 (Co. "H"). Lexington October 19. Operations against Price October. Battle of Little Blue October 21. Pursuit of Price October 21-28. Independence and State Line October 22. Big Blue and Westport October 23. Mine Creek, Little Osage River and Marias des Cygnes October 25. Battle of Charlot October 25. Mound City and Fort Lincoln October 25 (Cos. "A," "D"). Newtonia October 28. Operations on Upper Arkansas January 28-February 9, 1865. Protecting country against Indians till June. Powder River Expedition, march to Powder River and Fort Connor, July 11-September 20. Actions with Indians September 2-5. Powder River, Mouth of Dry Ford, September 8. Mustered out December 6, 1865.

Regiment lost during service 1 Officer and 10 Enlisted men killed and mortally wounded and 1 Officer and 98 Enlisted men by disease. Total 110.