The following data is extracted from Biographical Sketches, Coles County, Illinois - North Okaw Township.
Dudley Hopper, farmer; P. Q. Mattoon; one of the first settlers of Coles Co.; was born in Knox Co., Ky., Aug. 18, 1826; came to this State with his father's family in 1837, when he was but a boy. He was married to Miss Jane Dixon, now deceased; they have had four children, viz., Felitha, George, Harvey and Matilda. Mr. Hopper was married the second time to Miss Margaret Easter. His farm consists of 330 acres, valued at $9,900; since his residence in the township, he has held the office of Commissioner three years. He was a participant in the Mexican war, where he served eighteen months. His land, on which he now resides, was partially entered by himself from the Government.
Source: Biographical Sketches, Coles County, Illinois - North Okaw Township