Kentucky: A History of the State, Battle, Perrin, & Kniffin, 7th ed.,
Boone Co.

J. M. CLARKSON was born in Boone County, Ky., in 1828, and is a son of
A. E. and Mary E. (Trabue) Clarkson, natives, respectively, of Bourbon
and Woodford Counties, Ky.  The paternal grandfather of our subject was
Julius Clarkson, who was a farmer, as was also A. E. Clarkson.  J. M.
Clarkson was educated at the common schools, and in 1850 engaged in the
stove and tinware business in Covington, Ky.  In 1866 he married Mildred
M. Hume, of Grant County, daughter of Col. Joel B. Hume and Mary K.
(Hobdy) Hume, of Pendleton County.  One child has blessed their union:
Mary May.  Mr. Clarkson is a member of the I. O. O. F., No. 24, of
Covington, and is a Democrat in politics.

Clarkson Trabue Hume Hobdy
=
Bourbon Woodford Grant Pendleton

http://www.rootsweb.com/~kygenweb/kybiog/boone/clarkson.jm.txt