Kentucky:  A History of the State, Battle, Perrin, Kniffin 1st ed., 1885
Reprinted 1972 by Kentucky Reprint Co., Murray, KY.
Graves Co.

J.P. McCLAIN was born in 1838 in Henry County, Tenn.  He is a son of 
John and Sallie (Cochran) McClain.  Mr. McClain remained with his 
parents until attaining his majority, and at the age of twenty-three
engaged in farming in Calloway County, Ky.  He was married in 1861 to
Eliza Jane King, daughter of Isaac and Martha (Jackson) King.  Mr.
McClain resided in Calloway County for a period of fourteen years, at
the end of which time he disposed of his farm there and moved to Graves
County, and purchased a flouring and saw-mill, which he has operated
successfully ever since.  Mr. and Mrs. McClain have a family of eight
children, namely: Samantha E., Corilla F., J.W., Alta, Robert E.,
Oliver P., Lula and Maggie.

McClain Cochran Jackson King 
=
Henry-TN Calloway-KY

http://www.rootsweb.com/~kygenweb/kybiog/graves/mcclain.jp.txt