Hi. This is certainly an interesting document that you provide. A check into one of the Quantrill's Guerrillas lists shows the following listing for Vaughan/Vaughns.

http://penningtons.tripod.com/roster.htm

"Vaughn, Dan Quantrill Led guerrilla band at Aubrey, KS 31 Jan 1865. Also Independence, Lawrence. Survived war, settled in Texas
Vaughn, James A. Quantrill One of Quantrill's first recruits, 12/25/1861. Formed with nine other men at the farm of Mrs. Samual Crump between Independence and Blue Springs. Said to have been the beginning of Quantrill's band as an entity with a separate and distinct leader. Captured in a Kansas City barbers shop and hung 29 May 1863 at Ft. Leavenworth.
Vaughn, Joseph Quantrill KIA at Pea Ridge, AK 1862
Vaughn,
Susan Langdon Known to have smuggled morphine, and quinine in her undergarments and her hat to Cockrell's Missouri brigade. She founded "Memorial Day" after the war.
Vaughn, Tom Quantrill KIA
Vaughn, William Quantrill Listed on Roster of 93, 6 July 1862."

~Jay~