Oel Morrill of Wonewoc, Wisconsin, enlisted as a Corporal on 27 September 1861 in Company B, 12th Infantry Regiment Wisconsin. He mustered out on 16 July 1865. [2]

[1]1880 US Census , Wonewoc WI, p. 521A.

[2]Historical Data Systems, American Civil War Soldiers (Electronic database at http://www.ancestry.com).