1860 Census, Wick, Tyler Co., VA
Cooper, Rees, 31, shoemaker, real estate value $300, personal estate value $445, b. PA
Clarissa, 20, b. PA
William M., 1, b. VA

He was a Federal soldier during the Civil War.111
Elizabeth Mullett has birth date as ca 1830, Chester Co., PA.57
Merry Anne Pierson has birth as 1831, Allegheny Co., PA.317
Marriage certificate gives birthplace as Chester Co., PA.7
Death certificate of son Jesse gives birthplace of Reese as Allegheny City, PA2
Donald Hollcroft has death date as August 13, 1864,708 while Elizabeth Mullett has date as September 1, 1864.57

From a letter, dated October 15, 1882 written to J. C. Cooper by his uncle, J. D. Grim:
“Your father [Reese Cooper] volunteered August 31, 1862, in Company D, 11th West Virginia Volunteer Infantry. He was appointed to Regimental Commissary Sergeant and transferred from his Company to take charge of the Regimental Stores such as provisions, clothing, arms, ammunition, etc., on April 1, 1863. He remained there until sometime in August 1864. He took typhoid fever and was sent to the general hospital at Annapolis, Maryland, where he died on the first day of September 1864.
He was supposed to be in all of the following battles that the Regiment took part in but on his line of duty as Commissary Sergeant, keeping his command in arms and ammunition to carry the battle with : Cloyd Mountain, VA, May 9, 1864, Hard Fight. New River Bridge, VA, May 10, 1864, Hard Fight. Lynchburg, VA, June 17 and 18th, 1864, Hard Fight. Snichers Ferry, VA, July 18, 1864. Hard Fight. Winchester, VA, July 23 and 24, 1864. Martinsburg, VA July 25, 1864.
He was taken sick soon afterward and sent to the hospital where he died...”57

Obituary? on Findagrave.com:
Rees Cooper was born in Pittsburgh, Pennsylvania, and passed his life in the county and State of his birth, following in manhood the trade of a shoemaker. He was a Federal soldier during the war detween the States and was twice married, and departed this life on the 19th of August 1864. His first wife was Eliza Hollcroft, of Pittsburgh, Pennsylvania. In Tyler county, April 1, 1858, Rees Cooper united in marriage with Clarissa Grimm and their children are four: William M., born January 20, 1859, lives in Tyler county; Barbara E., November 30, 1860, lives in Indian territory; Jesse C., January 20, 1862, lives in Centreville district; Rees, August 22, 1864, died in Pittsburgh, Pennsylvania. The mother of their children was born in Tyler county, December 18, 1840, and she died September 20, 1865. She was a daughter of Levi and Barbara (Nicely) Grimm. Her parents were from Pennsylvania, and her father died in Tyler county, where her mother continues to reside.