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.
Excerpt:
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.
Glynda