The following data is extracted from Biographical Sketches, Coles County, Illinois - Ashmore Township.
Isaac Flenner, farmer and stock-raiser; P. O. Kansas; was born in Butler Co., Ohio, Feb. 25, 1825; his father, Daniel Flenner, was among the pioneers of that State, coming from Maryland in 1809. He was a soldier in the war of 1812, and was a prominent citizen, holding many offices of trust in his county. His mother, Hannah (Andrews) Flenner, was a native of Ohio, and a descendant of an old Pennsylvania family. Mr. Flenner removed to Coles Co., in 1856; his father removing to Clark Co., Ill., at the same time; he purchased 200 acres of land and engaged in farming and stock-raising, and during the past five years has devoted his attention to fine stock, having, at present writing, thirty-nine head of thorough-bred short-horn cattle. He also makes a specialty of the breeding of Berkshire hogs, of which he has seventy-five now on hand. He is one of the most thorough and successful farmers in the township. From the railroad, which passes a short distance in front of his residence, the view is most beautiful. His fine buildings, with the large yard set to evergreens and shrubbery, the orchards of fruit of all kinds, the rolling prairie "Stretching in billowy undulations far away," present a sight not surpassed in this part of the country. Mr. Flenner was married Sept. 30, 1847, to Miss Rachel A. Hughes, who was a native of Maryland, but removed in early childhood to Butler Co., Ohio. She died in 1852, leaving two children, one of whom is living - Albert W. Flenner. Mr. Flenner was married a second time Jan. 12, 1858, to Miss Hopy A. Hollingsworth, a daughter of Jacob Hollingsworth. Her father came to Illinois in 1830 and resided in Coles Co. till his death in 1875. They have one son living - Martin Flenner.
Source: Biographical Sketches, Coles County, Illinois - Ashmore Township