Private William Shanklin joined the 120th Ohio Volunteer Infantry on 15 Aug 1862 at age 20. He was in Co D. He was transferred to Co. E 114th OVI on 27 Nov 1864. [Other records show he may have been 24 when he joined the army.]Transferred to Co E, 48th OVI, 24 July 1865. Mustered out 14 Oct 1865.