I do not know wheather this will help or not,I have a Raney in my Family by the name of Jim. He was my gr grandmother Jackoline Meeks,Massey,McDaniels third husband. She was from Arkansas and Mo.and they lived in the Indian Territory.
I found the following message on the Raney Forum in regard to three brothers.
Thomas, Samuel, and James Raney were all in the Missouri First N.E. Cav. White's Co. under Lt. Col. James D. White, C.S.A. Also known as Porter's Regiment.