HISTORY OF KENTUCKY, by Lewis Collins, and J.A. & U.P. James, published 
1847.  Reprinted by Henry Clay Press, Lexington, Ky., 1968, p. 70 [Boyle 
county].

Judge William McDowell's son, William, married a Miss Carthrae.  She was 
the daughter of John Carthrae, of Rockingham, Virginia, and Sophia 
Lewis, daughter of Thomas Lewis and Jane Strother, and thus doubly 
related to her husband.

McDowell Carthrae Lewis Strother
=
Rockingham-VA

http://www.rootsweb.com/~kygenweb/kybiog/boyle/mcdowell.w.txt