The Compiled Service Records show one index card for Pvt. John Laughhlin, Co.F, 2nd Battalion, Infantry, Wahl's Texas Legion. It notes "Cards filed with J. Loughlin.
Under J. Loughlin there are some 10 or more individual record cards.
This is the name you should order hard copies of his records. He was 31 years old when he enlisted at Liberty, Tx May 15, 1862.
George Martin