Born: 1791-06-05 Bourbon County, Kentucky
Died: 1854-03-10 Sangamon County, Illinois
Darnielle served in the War of 1812, reaching the rank of captain. On February 20, 1814, he married Margaret Norton. In November 1819, they settled in Sangamon County, Illinois, where they raised twelve children. Darnielle served as a grand juror in Sangamon County in 1821 and won election as a Whig to the Illinois House of Representatives in 1840.
Portrait and Biographical Album of Sangamon County, Illinois (Chicago: Chapman Brothers, 1891), 795; Theodore C. Pease, ed., Illinois Election Returns, 1818-1848, vol. 18 of Collections of the Illinois State Historical Library (Springfield: Illinois State Historical Library, 1923), 344.