Yost, Theobald D., 22; c.1839 born in Germany; April 27, 1861 private, Company A, 19th Ohio Infantry Rgt. Aug. 27, 1861 mustered out; Aug. 30, 1861 sergeant, Co. F, 32nd Ohio Infantry Rgt. Feb. 8, 1862 2ndlt. March 13, 1862 1stlt. Nov. 21, 1862 capt. Dec. 22, 1863 transferred to 26th Ohio Light Artillery Battery; Sept. 2, 1865 mustered out at Tod Barracks, Columbus, Ohio; as of 1910 U. S. Census living in Cleveland apparently with son William F. Yost.
Source: Official Roster of the Soldiers of the State of Ohio; 1910 US Census