Louis Igo was a witness in 1899 for my ancestor, John Cooper, in his petition for a Confederate pension. Both served in Co. D, 29 TX Cavalry Regiment, led by Charles DeMorse. In Louis' testimony, he states he has lived in Red River Co. nearly 50 yrs. and personally known John Cooper since 1861. Were messmates in Co. D. Louis states that they were together in the following fights--Greenleaf Prairie, Elk Creek, Prairie Grove & Cabin Creek (2nd, 3rd, 4th July 1862) all in the Cherokee Nation. Pison Springs Ark, Jenkins Ferry Ark. Linda Mabry