Copywright USGenNet Inc., 2004, All Rights Reserved U.S. Data Repository Please read U.S. Data Repository Copyright Statement on this page: History of Linn County, Iowa Chicago: Western Historical Company, 1878. ADAMS, John Farmer. Born June 26, 1836 in Scotland. In 1853 he came to Kane Co., IL; in 1864 he came to Marion Twp., Linn Co., IA; in 1868 he purchased his farm (80 acres). Married Mira J. Gray November 28, 1865 (she was born December 1846 in Marion Twp., Linn Co., IA) and had four children: Anna R., Lonnie, Charles L., and Mabel E. They were members of the Presbyterian Church. Marion PO.