
Though he would stay with the 26th Illinois Volunteers until Fall, Tinkham resigned his commission on October 7, 1862. Tinkham suffered a wound to his right hand. On May 9, 1862, the 26th were engaged in Farmington, Mississippi where Lt. Tinkham and the 26th Illinois Volunteers engaged Confederate troops at New Madrid, Missouri and took part in the siege of Corinth, Mississippi.

Joseph Rail Road, the 26th were assigned to Brigadier General J. Armed only with hickory clubs, the 26th Illinois began their career with guard duty in Quincy, Illinois. After less than a month of service, Tinkham was promoted to Lieutenant Colonel on August 31, 1861. With the coming of the Civil War, Tinkham helped to organize Company F of the 26th Illinois Volunteers regiment and was commissioned as Captain on Augby Governor Richard Yates. He later settled in Homer, Illinois, until his marriage to Caroline Coffeen on May 14, 1860. Born in Covington, Kentucky, Tinkham graduated from West Point Academy in 1849, and worked as a civil engineer. Col.'s Full Dress CoatĪ generous gift of Miss Daisy Tinkham Babb, this federal full dress coat belonged to Charles Johnston Tinkham, Lt.
