John Marion Osborne was born in Clay County, Illinois in 1846. He served in the Iowa Cavalry of the US Army during the Civil War. After the war was over, he joined a band of thieves and robbers called Frank F. Sidney's Western Bandit Volunteers and was convicted for larceny and sent to the State Penitentiary at Fort Madison. He was released for good conduct after two years.
He lived in Galesburg
until 1871 when he moved to Yates City and found work on the farm of John M. Mathews. On Aug. 5, 1872, Adelia M. Mathews was found dead in the...