https://en.wikipedia.org/wiki/Last_surviving_Confederate_veterans#cite_note-10
There was a William D. Townsend in the 31st Regt. VA Infantry... a William A. Townsend in Duff's Parisan Rangers aka. 33rd Regt. Texas Cavalry.
Still another Wm. Townsend in the 1st Regt. Confederate Infantry. Lynch's Company/ TN Light artillery. A William L.S. Townsend in the 8th Regt. NC Infantry... Plain William Townsend in 52nd Reft. GA Infantry, 1st TX lancers, aka. 21st Regt. TX Cavalry, Spaight's 11th Bn. Texas Vols., Flournoy's 16th Regt. TX Infantry, Wm. M. in Darnell's 18th Regt. of TX Cavalry, Wm. P. in the 4th Regt. TX Infantry, another Wm. P with the Roberston Five Shooters, aka. Townsend's Co. TX Infantry. Wm. K. in Whitfield's Legion/1st TX Legion aka. 27th Regt. TX Cavalry. 15th Regt. SC Infantry, Wm. D. in the 21st Regt. VA Infantry Wm. H. in 41st Regt. VA infantry. Wm. N. 14th Regt. VA Cav. A Wm. O. served with Staunton Hill Art'y. or Paris' Co. VA Artillery, while a Wm. T. was with the 31st Regt. VA infantry.
Just Wm. with 40th Regt. of the MS Infantry, a Wm. R. with the 14th Regt. MS Infantry. Also a Wm. Townsend with Meyer's 3rd. Bn. FL cavalry/ 15th Confederate Cavalry, Dyke's Co. FL lt. artillery, Wm. A. with the 1st Regt. FL Cavalry, and also a Wm. H. L. Townsend (same man?) Also, in Missouri, a Wm. Townsend with the 3rd Regt. of MO cavalry, 11th REgt. MO Infantry, Wm. B. with the 7th Regt. MO Cavalry, a Wm. Finis with the 8th Regt. MO Cavalry, and another Wm. R. in the 2nd Regt. MO Cavalry, State Guard.
Turning to Tennessee, there is Wn. with the 50th Regt. TN Mounted Infantry. In Kentucky, a Wm. with 5yh Regt. KY mounted Infantry, while in Arkansas, there is a Wm. in 18th Regt. AR infantry, Hardy's Regt. of AR infantry, Wm. A. with Wiggins' Battery, AR lt. artillery.
Quite a research project! More details might link to one or another person.
Some of those birthdates would suggest a drummer or musician or even a youthful "mascot" no?