Wiley Z. Petree
Name of Regiment: 12th Regiment, Missouri Cavalry - Side: Union - Company: L - Soldier's Rank In: Private - Soldier's Rank Out: Q. M. Sergeant

UNION MISSOURI VOLUNTEERS
12th Regiment, Missouri Cavalry

Organized at St. Louis, Mo., November 3, 1863, to March 23, 1864. Attached to District of St. Louis, Mo., Dept. Missouri, to July, 1864. 1st Brigade, 1st Cavalry Division, District of West Tennessee, Dept. Tennessee, to November, 1864. 1st Brigade, 5th Division, Cavalry Corps. Military Division Mississippi, to May, 1865. Dept. Missouri, Eastern Division, Powder River Expedition, and District of the Plains to April, 1866.

SERVICE.-Duty at St. Louis, Mo., till June 1, 1864. Ordered to Memphis, Tenn., and duty there till August 1. Smith's Expedition to Oxford, Miss., August 1-30. Holls Springs August 1. Elkshute August 4. Tallahatchie River August 7-9. Hurricane Creek and Oxford August 9. Abbeville August 13. Hurricane Creek August 13-14 and 19. College Hill, Oxford, August 23. At White's Station till September 30. March to Clifton and Lawrenceburg in pursuit of Forest September 30-October 8. At Clifton till October 27. Nashville Campaign November-December. March to Pulaski, Tenn., October 27-November 6. Expedition to Moscow November 9-13. Shoal Creek November 11. Eastport, Miss., November 10-11. On line of Shoal Creek November 16-20. Lawrenceburg November 22. Campbellville and Lynnville November 24. In front of Columbia November 24-27. Crossing of Duck River November 28. Battle of Nashville December 15-16. Pursuit of Hood December 17-28. Richland Creek December 24. King's Gap, near Pulaski, December 25. At Gravelly Springs, Ala., and Eastport, Miss. Scouting in Northern Mississippi and Alabama till May, 1865. Moved to St. Louis, Mo., May 12-17, thence to Fort Leavenworth, Kan., and to Omaha, Neb. Powder River Expedition against Indians in Nebraska July 1-September 20. Actions with Indians on Powder River September 1-4 and 5. March from Fort Conner to Fort Laramie September 25-October 4. Engaged in frontier duty till April, 1866. Mustered out April 9, 1866.

Regiment lost during service 1 Officer and 35 Enlisted men killed and mortally wounded and 1 Officer and 226 Enlisted men by disease. Total 263.
CIVIL WAR SOLDIERS AND SAILORS SYSTEM, National Park Service, Washington, d.C., researched by Richard Parker, May 2011

Father: Fountain Petree
Wife: Jane
Source: Death Certificate.