Rick,
Do you have additional info on this person?

The below is from his Confederate Service Record on Fold3.com

Joshua Soule
Private
Co. H, 1st Creek Mtd Vols (McHenry's Co.)
Muster-in Aug. 9, 1861 at Creek Agency (northwest of Muskogee at the base of Fern Mtn) for 1 year

Joshua Soual
2nd Lieutentant
Co. D (2nd organization), 1st Creek Mtd Vols (Yarharley's Co.)
Enrolled Aug. 17, 1862 at Creek Agency for 2 years
(on roll dated Dec. 1, 1862)

Joshua Soul
Appears on payroll dated Aug. 21, 1862.
Paid $75 for 6 months.
Signature "his mark" (i.e. he couldn't write his name)

Joshua Soual
2nd Lieutenant
Yarharley's Co., 1st Creek Mtd Vols
Appears on receipt roll - undated.

Joshua Sole
Lieutenant
H Co., 1st Creek Regiment
Appears on petition to Pres. Jefferson Davis, from the chiefs and head men of the Creek Nation and officers of the 1st and 2nd Creek Regiments, requesting the Indian country be again made a separate department and under the command of Col. D.H. Cooper.
Petition signed at Camp Stonewall (south of present Muskogee on Coody Creek 5 miles from the Arkansas)
Dated May 18, 1863