Born: May 24, 1833, Leesville, Ohio.
Died: September 27, 1922, Dayton, Ohio.
Buried: Fairview Cemetery, Galion, Ohio.
Robert was the son of David Cowden and Elizabeth Kitch Kleinknecht. He married twice: to Lydia Tabitha Miller (July 24, 1854, Crawford County, Ohio), and Joanna Huber, widow of Samuel McGinnis (November 1891, Wichita, Kansas).
During the American civil war, he enlisted and served in Company B (later Company H), 56th Illinois Volunteer Infantry. He later served in Battery I, First Illinois Light Artillery.
He eventually rose to the rank of lieutenant colonel, and commanded the 59th U.S. Colored Infantry Regiment. He was instrumental in establishing a school for the illiterate men of his regiment. The school taught 250 ex-slaves to read and write.
Cowden was mustered out of the army January 31, 1866.
After the war, he became involved in Sunday School work with the United Brethren in Christ.